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Finding the Fourth Proportional to 351,569.79, 527,270.72 and 151,780.86

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Solution

The fourth proportional to 351,569.79, 527,270.72 and 151,780.86 is: 227,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,569.79 : 527,270.72 = 151,780.86 : x
  2. Step 2: Convert to fraction form
    351,569.79/527,270.72 = 151,780.86/x
  3. Step 3: Cross multiply
    351,569.79x = 527,270.72 × 151,780.86
  4. Step 4: Simplify right side
    351,569.79x = 80,029,602,575.51
  5. Step 5: Solve for x
    x = 80,029,602,575.51/351,569.79
  6. Step 6: Final answer
    x = 227,635.04

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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.