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Finding the Fourth Proportional to 636,200.10, 954,300.15 and 352,764.90

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Solution

The fourth proportional to 636,200.10, 954,300.15 and 352,764.90 is: 529,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,200.10 : 954,300.15 = 352,764.90 : x
  2. Step 2: Convert to fraction form
    636,200.10/954,300.15 = 352,764.90/x
  3. Step 3: Cross multiply
    636,200.10x = 954,300.15 × 352,764.90
  4. Step 4: Simplify right side
    636,200.10x = 336,643,596,984.74
  5. Step 5: Solve for x
    x = 336,643,596,984.74/636,200.10
  6. Step 6: Final answer
    x = 529,147.35

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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.