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Finding the Fourth Proportional to 546,053.70, 819,080.55 and 521,559.30

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Solution

The fourth proportional to 546,053.70, 819,080.55 and 521,559.30 is: 782,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,053.70 : 819,080.55 = 521,559.30 : x
  2. Step 2: Convert to fraction form
    546,053.70/819,080.55 = 521,559.30/x
  3. Step 3: Cross multiply
    546,053.70x = 819,080.55 × 521,559.30
  4. Step 4: Simplify right side
    546,053.70x = 427,199,078,301.62
  5. Step 5: Solve for x
    x = 427,199,078,301.62/546,053.70
  6. Step 6: Final answer
    x = 782,338.95

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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.