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Finding the Fourth Proportional to 532,930.73, 735,435.48 and 291,207.72

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Solution

The fourth proportional to 532,930.73, 735,435.48 and 291,207.72 is: 401,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,930.73 : 735,435.48 = 291,207.72 : x
  2. Step 2: Convert to fraction form
    532,930.73/735,435.48 = 291,207.72/x
  3. Step 3: Cross multiply
    532,930.73x = 735,435.48 × 291,207.72
  4. Step 4: Simplify right side
    532,930.73x = 214,164,493,187.82
  5. Step 5: Solve for x
    x = 214,164,493,187.82/532,930.73
  6. Step 6: Final answer
    x = 401,861.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.