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Finding the Fourth Proportional to 592,176.90, 886,953.15 and 487,200.90

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Solution

The fourth proportional to 592,176.90, 886,953.15 and 487,200.90 is: 729,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,176.90 : 886,953.15 = 487,200.90 : x
  2. Step 2: Convert to fraction form
    592,176.90/886,953.15 = 487,200.90/x
  3. Step 3: Cross multiply
    592,176.90x = 886,953.15 × 487,200.90
  4. Step 4: Simplify right side
    592,176.90x = 432,124,372,937.84
  5. Step 5: Solve for x
    x = 432,124,372,937.84/592,176.90
  6. Step 6: Final answer
    x = 729,721.77

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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.