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Finding the Fourth Proportional to 464,487.91, 696,732.96 and 127,533.18

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Solution

The fourth proportional to 464,487.91, 696,732.96 and 127,533.18 is: 191,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,487.91 : 696,732.96 = 127,533.18 : x
  2. Step 2: Convert to fraction form
    464,487.91/696,732.96 = 127,533.18/x
  3. Step 3: Cross multiply
    464,487.91x = 696,732.96 × 127,533.18
  4. Step 4: Simplify right side
    464,487.91x = 88,856,569,999.61
  5. Step 5: Solve for x
    x = 88,856,569,999.61/464,487.91
  6. Step 6: Final answer
    x = 191,300.07

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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.