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Finding the Fourth Proportional to 491,150.80, 736,726.20 and 487,651.60

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Solution

The fourth proportional to 491,150.80, 736,726.20 and 487,651.60 is: 731,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,150.80 : 736,726.20 = 487,651.60 : x
  2. Step 2: Convert to fraction form
    491,150.80/736,726.20 = 487,651.60/x
  3. Step 3: Cross multiply
    491,150.80x = 736,726.20 × 487,651.60
  4. Step 4: Simplify right side
    491,150.80x = 359,265,710,191.92
  5. Step 5: Solve for x
    x = 359,265,710,191.92/491,150.80
  6. Step 6: Final answer
    x = 731,477.40

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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.