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Finding the Fourth Proportional to 379,411.62, 569,345.24 and 151,666.56

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Solution

The fourth proportional to 379,411.62, 569,345.24 and 151,666.56 is: 227,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,411.62 : 569,345.24 = 151,666.56 : x
  2. Step 2: Convert to fraction form
    379,411.62/569,345.24 = 151,666.56/x
  3. Step 3: Cross multiply
    379,411.62x = 569,345.24 × 151,666.56
  4. Step 4: Simplify right side
    379,411.62x = 86,350,634,003.17
  5. Step 5: Solve for x
    x = 86,350,634,003.17/379,411.62
  6. Step 6: Final answer
    x = 227,590.91

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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.