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Finding the Fourth Proportional to 484,070.60, 726,105.90 and 306,777.80

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Solution

The fourth proportional to 484,070.60, 726,105.90 and 306,777.80 is: 460,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,070.60 : 726,105.90 = 306,777.80 : x
  2. Step 2: Convert to fraction form
    484,070.60/726,105.90 = 306,777.80/x
  3. Step 3: Cross multiply
    484,070.60x = 726,105.90 × 306,777.80
  4. Step 4: Simplify right side
    484,070.60x = 222,753,170,569.02
  5. Step 5: Solve for x
    x = 222,753,170,569.02/484,070.60
  6. Step 6: Final answer
    x = 460,166.70

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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.