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Finding the Fourth Proportional to 737,572.10, 1,106,358.15 and 513,623.30

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Solution

The fourth proportional to 737,572.10, 1,106,358.15 and 513,623.30 is: 770,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,572.10 : 1,106,358.15 = 513,623.30 : x
  2. Step 2: Convert to fraction form
    737,572.10/1,106,358.15 = 513,623.30/x
  3. Step 3: Cross multiply
    737,572.10x = 1,106,358.15 × 513,623.30
  4. Step 4: Simplify right side
    737,572.10x = 568,251,323,984.90
  5. Step 5: Solve for x
    x = 568,251,323,984.90/737,572.10
  6. Step 6: Final answer
    x = 770,434.95

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Double scale
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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.