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Finding the Fourth Proportional to 622,801.10, 934,201.65 and 617,552.30

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Solution

The fourth proportional to 622,801.10, 934,201.65 and 617,552.30 is: 926,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,801.10 : 934,201.65 = 617,552.30 : x
  2. Step 2: Convert to fraction form
    622,801.10/934,201.65 = 617,552.30/x
  3. Step 3: Cross multiply
    622,801.10x = 934,201.65 × 617,552.30
  4. Step 4: Simplify right side
    622,801.10x = 576,918,377,621.30
  5. Step 5: Solve for x
    x = 576,918,377,621.30/622,801.10
  6. Step 6: Final answer
    x = 926,328.45

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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.