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Finding the Fourth Proportional to 546,401.80, 819,602.70 and 493,257.70

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Solution

The fourth proportional to 546,401.80, 819,602.70 and 493,257.70 is: 739,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,401.80 : 819,602.70 = 493,257.70 : x
  2. Step 2: Convert to fraction form
    546,401.80/819,602.70 = 493,257.70/x
  3. Step 3: Cross multiply
    546,401.80x = 819,602.70 × 493,257.70
  4. Step 4: Simplify right side
    546,401.80x = 404,275,342,715.79
  5. Step 5: Solve for x
    x = 404,275,342,715.79/546,401.80
  6. Step 6: Final answer
    x = 739,886.55

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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.