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Finding the Fourth Proportional to 458,832.73, 688,319.05 and 234,070.55

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Solution

The fourth proportional to 458,832.73, 688,319.05 and 234,070.55 is: 351,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,832.73 : 688,319.05 = 234,070.55 : x
  2. Step 2: Convert to fraction form
    458,832.73/688,319.05 = 234,070.55/x
  3. Step 3: Cross multiply
    458,832.73x = 688,319.05 × 234,070.55
  4. Step 4: Simplify right side
    458,832.73x = 161,115,219,744.60
  5. Step 5: Solve for x
    x = 161,115,219,744.60/458,832.73
  6. Step 6: Final answer
    x = 351,141.52

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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.