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Finding the Fourth Proportional to 713,074.70, 1,069,612.05 and 601,100.30

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Solution

The fourth proportional to 713,074.70, 1,069,612.05 and 601,100.30 is: 901,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,074.70 : 1,069,612.05 = 601,100.30 : x
  2. Step 2: Convert to fraction form
    713,074.70/1,069,612.05 = 601,100.30/x
  3. Step 3: Cross multiply
    713,074.70x = 1,069,612.05 × 601,100.30
  4. Step 4: Simplify right side
    713,074.70x = 642,944,124,138.62
  5. Step 5: Solve for x
    x = 642,944,124,138.62/713,074.70
  6. Step 6: Final answer
    x = 901,650.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.