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Finding the Fourth Proportional to 713,208.20, 1,069,553.10 and 358,104.20

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Solution

The fourth proportional to 713,208.20, 1,069,553.10 and 358,104.20 is: 537,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,208.20 : 1,069,553.10 = 358,104.20 : x
  2. Step 2: Convert to fraction form
    713,208.20/1,069,553.10 = 358,104.20/x
  3. Step 3: Cross multiply
    713,208.20x = 1,069,553.10 × 358,104.20
  4. Step 4: Simplify right side
    713,208.20x = 383,011,457,233.02
  5. Step 5: Solve for x
    x = 383,011,457,233.02/713,208.20
  6. Step 6: Final answer
    x = 537,026.15

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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.