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Finding the Fourth Proportional to 592,176.40, 886,952.40 and 487,200.40

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Solution

The fourth proportional to 592,176.40, 886,952.40 and 487,200.40 is: 729,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,176.40 : 886,952.40 = 487,200.40 : x
  2. Step 2: Convert to fraction form
    592,176.40/886,952.40 = 487,200.40/x
  3. Step 3: Cross multiply
    592,176.40x = 886,952.40 × 487,200.40
  4. Step 4: Simplify right side
    592,176.40x = 432,123,564,060.96
  5. Step 5: Solve for x
    x = 432,123,564,060.96/592,176.40
  6. Step 6: Final answer
    x = 729,721.02

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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.