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Finding the Fourth Proportional to 546,830.16, 754,677.72 and 331,920.96

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Solution

The fourth proportional to 546,830.16, 754,677.72 and 331,920.96 is: 458,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,830.16 : 754,677.72 = 331,920.96 : x
  2. Step 2: Convert to fraction form
    546,830.16/754,677.72 = 331,920.96/x
  3. Step 3: Cross multiply
    546,830.16x = 754,677.72 × 331,920.96
  4. Step 4: Simplify right side
    546,830.16x = 250,493,353,313.01
  5. Step 5: Solve for x
    x = 250,493,353,313.01/546,830.16
  6. Step 6: Final answer
    x = 458,082.55

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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.