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Finding the Fourth Proportional to 546,520.20, 814,347.40 and 486,897.72

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Solution

The fourth proportional to 546,520.20, 814,347.40 and 486,897.72 is: 725,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,520.20 : 814,347.40 = 486,897.72 : x
  2. Step 2: Convert to fraction form
    546,520.20/814,347.40 = 486,897.72/x
  3. Step 3: Cross multiply
    546,520.20x = 814,347.40 × 486,897.72
  4. Step 4: Simplify right side
    546,520.20x = 396,503,892,347.93
  5. Step 5: Solve for x
    x = 396,503,892,347.93/546,520.20
  6. Step 6: Final answer
    x = 725,506.38

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.