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Finding the Fourth Proportional to 653,467.80, 980,201.70 and 493,800.60

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Solution

The fourth proportional to 653,467.80, 980,201.70 and 493,800.60 is: 740,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,467.80 : 980,201.70 = 493,800.60 : x
  2. Step 2: Convert to fraction form
    653,467.80/980,201.70 = 493,800.60/x
  3. Step 3: Cross multiply
    653,467.80x = 980,201.70 × 493,800.60
  4. Step 4: Simplify right side
    653,467.80x = 484,024,187,581.02
  5. Step 5: Solve for x
    x = 484,024,187,581.02/653,467.80
  6. Step 6: Final answer
    x = 740,700.90

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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.