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Finding the Fourth Proportional to 577,087.50, 869,570.28 and 474,211.02

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Solution

The fourth proportional to 577,087.50, 869,570.28 and 474,211.02 is: 714,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,087.50 : 869,570.28 = 474,211.02 : x
  2. Step 2: Convert to fraction form
    577,087.50/869,570.28 = 474,211.02/x
  3. Step 3: Cross multiply
    577,087.50x = 869,570.28 × 474,211.02
  4. Step 4: Simplify right side
    577,087.50x = 412,359,806,278.16
  5. Step 5: Solve for x
    x = 412,359,806,278.16/577,087.50
  6. Step 6: Final answer
    x = 714,553.36

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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.