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Finding the Fourth Proportional to 622,088.10, 934,116.30 and 472,497.30

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Solution

The fourth proportional to 622,088.10, 934,116.30 and 472,497.30 is: 709,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,088.10 : 934,116.30 = 472,497.30 : x
  2. Step 2: Convert to fraction form
    622,088.10/934,116.30 = 472,497.30/x
  3. Step 3: Cross multiply
    622,088.10x = 934,116.30 × 472,497.30
  4. Step 4: Simplify right side
    622,088.10x = 441,367,429,635.99
  5. Step 5: Solve for x
    x = 441,367,429,635.99/622,088.10
  6. Step 6: Final answer
    x = 709,493.45

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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.