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Finding the Fourth Proportional to 546,231.94, 753,372.76 and 355,306.30

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Solution

The fourth proportional to 546,231.94, 753,372.76 and 355,306.30 is: 490,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,231.94 : 753,372.76 = 355,306.30 : x
  2. Step 2: Convert to fraction form
    546,231.94/753,372.76 = 355,306.30/x
  3. Step 3: Cross multiply
    546,231.94x = 753,372.76 × 355,306.30
  4. Step 4: Simplify right side
    546,231.94x = 267,678,083,221.26
  5. Step 5: Solve for x
    x = 267,678,083,221.26/546,231.94
  6. Step 6: Final answer
    x = 490,044.73

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1.5x scale

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.