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Finding the Fourth Proportional to 546,042.80, 819,064.20 and 492,898.70

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Solution

The fourth proportional to 546,042.80, 819,064.20 and 492,898.70 is: 739,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,042.80 : 819,064.20 = 492,898.70 : x
  2. Step 2: Convert to fraction form
    546,042.80/819,064.20 = 492,898.70/x
  3. Step 3: Cross multiply
    546,042.80x = 819,064.20 × 492,898.70
  4. Step 4: Simplify right side
    546,042.80x = 403,715,679,396.54
  5. Step 5: Solve for x
    x = 403,715,679,396.54/546,042.80
  6. Step 6: Final answer
    x = 739,348.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.