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Finding the Fourth Proportional to 955,230.40, 1,318,228.86 and 547,324

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Solution

The fourth proportional to 955,230.40, 1,318,228.86 and 547,324 is: 755,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,230.40 : 1,318,228.86 = 547,324 : x
  2. Step 2: Convert to fraction form
    955,230.40/1,318,228.86 = 547,324/x
  3. Step 3: Cross multiply
    955,230.40x = 1,318,228.86 × 547,324
  4. Step 4: Simplify right side
    955,230.40x = 721,498,292,570.64
  5. Step 5: Solve for x
    x = 721,498,292,570.64/955,230.40
  6. Step 6: Final answer
    x = 755,313.37

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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.