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Finding the Fourth Proportional to 429,229.17, 592,409.61 and 247,908.51

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Solution

The fourth proportional to 429,229.17, 592,409.61 and 247,908.51 is: 342,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,229.17 : 592,409.61 = 247,908.51 : x
  2. Step 2: Convert to fraction form
    429,229.17/592,409.61 = 247,908.51/x
  3. Step 3: Cross multiply
    429,229.17x = 592,409.61 × 247,908.51
  4. Step 4: Simplify right side
    429,229.17x = 146,863,383,724.78
  5. Step 5: Solve for x
    x = 146,863,383,724.78/429,229.17
  6. Step 6: Final answer
    x = 342,156.11

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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.