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Finding the Fourth Proportional to 546,799.80, 820,199.70 and 493,655.70

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Solution

The fourth proportional to 546,799.80, 820,199.70 and 493,655.70 is: 740,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,799.80 : 820,199.70 = 493,655.70 : x
  2. Step 2: Convert to fraction form
    546,799.80/820,199.70 = 493,655.70/x
  3. Step 3: Cross multiply
    546,799.80x = 820,199.70 × 493,655.70
  4. Step 4: Simplify right side
    546,799.80x = 404,896,257,043.29
  5. Step 5: Solve for x
    x = 404,896,257,043.29/546,799.80
  6. Step 6: Final answer
    x = 740,483.55

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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.