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Finding the Fourth Proportional to 592,147.40, 886,908.90 and 487,171.40

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Solution

The fourth proportional to 592,147.40, 886,908.90 and 487,171.40 is: 729,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,147.40 : 886,908.90 = 487,171.40 : x
  2. Step 2: Convert to fraction form
    592,147.40/886,908.90 = 487,171.40/x
  3. Step 3: Cross multiply
    592,147.40x = 886,908.90 × 487,171.40
  4. Step 4: Simplify right side
    592,147.40x = 432,076,650,485.46
  5. Step 5: Solve for x
    x = 432,076,650,485.46/592,147.40
  6. Step 6: Final answer
    x = 729,677.53

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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.