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Finding the Fourth Proportional to 955,232.40, 1,318,231.62 and 547,326

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Solution

The fourth proportional to 955,232.40, 1,318,231.62 and 547,326 is: 755,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,232.40 : 1,318,231.62 = 547,326 : x
  2. Step 2: Convert to fraction form
    955,232.40/1,318,231.62 = 547,326/x
  3. Step 3: Cross multiply
    955,232.40x = 1,318,231.62 × 547,326
  4. Step 4: Simplify right side
    955,232.40x = 721,502,439,648.12
  5. Step 5: Solve for x
    x = 721,502,439,648.12/955,232.40
  6. Step 6: Final answer
    x = 755,316.13

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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.