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Finding the Fourth Proportional to 429,189.56, 592,334.03 and 247,901.28

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Solution

The fourth proportional to 429,189.56, 592,334.03 and 247,901.28 is: 342,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,189.56 : 592,334.03 = 247,901.28 : x
  2. Step 2: Convert to fraction form
    429,189.56/592,334.03 = 247,901.28/x
  3. Step 3: Cross multiply
    429,189.56x = 592,334.03 × 247,901.28
  4. Step 4: Simplify right side
    429,189.56x = 146,840,366,575.04
  5. Step 5: Solve for x
    x = 146,840,366,575.04/429,189.56
  6. Step 6: Final answer
    x = 342,134.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.