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Finding the Fourth Proportional to 577,088.75, 869,572.17 and 474,212.27

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Solution

The fourth proportional to 577,088.75, 869,572.17 and 474,212.27 is: 714,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,088.75 : 869,572.17 = 474,212.27 : x
  2. Step 2: Convert to fraction form
    577,088.75/869,572.17 = 474,212.27/x
  3. Step 3: Cross multiply
    577,088.75x = 869,572.17 × 474,212.27
  4. Step 4: Simplify right side
    577,088.75x = 412,361,788,316.67
  5. Step 5: Solve for x
    x = 412,361,788,316.67/577,088.75
  6. Step 6: Final answer
    x = 714,555.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.