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Finding the Fourth Proportional to 546,865.92, 754,692.96 and 317,405.92

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Solution

The fourth proportional to 546,865.92, 754,692.96 and 317,405.92 is: 438,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,865.92 : 754,692.96 = 317,405.92 : x
  2. Step 2: Convert to fraction form
    546,865.92/754,692.96 = 317,405.92/x
  3. Step 3: Cross multiply
    546,865.92x = 754,692.96 × 317,405.92
  4. Step 4: Simplify right side
    546,865.92x = 239,544,013,286.32
  5. Step 5: Solve for x
    x = 239,544,013,286.32/546,865.92
  6. Step 6: Final answer
    x = 438,030.61

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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.