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Finding the Fourth Proportional to 546,706.84, 754,538.52 and 331,805.40

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Solution

The fourth proportional to 546,706.84, 754,538.52 and 331,805.40 is: 457,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,706.84 : 754,538.52 = 331,805.40 : x
  2. Step 2: Convert to fraction form
    546,706.84/754,538.52 = 331,805.40/x
  3. Step 3: Cross multiply
    546,706.84x = 754,538.52 × 331,805.40
  4. Step 4: Simplify right side
    546,706.84x = 250,359,955,444.01
  5. Step 5: Solve for x
    x = 250,359,955,444.01/546,706.84
  6. Step 6: Final answer
    x = 457,941.88

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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.