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Finding the Fourth Proportional to 379,837.32, 569,493.54 and 166,502.76

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Solution

The fourth proportional to 379,837.32, 569,493.54 and 166,502.76 is: 249,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,837.32 : 569,493.54 = 166,502.76 : x
  2. Step 2: Convert to fraction form
    379,837.32/569,493.54 = 166,502.76/x
  3. Step 3: Cross multiply
    379,837.32x = 569,493.54 × 166,502.76
  4. Step 4: Simplify right side
    379,837.32x = 94,822,246,212.17
  5. Step 5: Solve for x
    x = 94,822,246,212.17/379,837.32
  6. Step 6: Final answer
    x = 249,639.10

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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.