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Finding the Fourth Proportional to 454,297.60, 681,446.40 and 365,724.10

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Solution

The fourth proportional to 454,297.60, 681,446.40 and 365,724.10 is: 548,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,297.60 : 681,446.40 = 365,724.10 : x
  2. Step 2: Convert to fraction form
    454,297.60/681,446.40 = 365,724.10/x
  3. Step 3: Cross multiply
    454,297.60x = 681,446.40 × 365,724.10
  4. Step 4: Simplify right side
    454,297.60x = 249,221,371,338.24
  5. Step 5: Solve for x
    x = 249,221,371,338.24/454,297.60
  6. Step 6: Final answer
    x = 548,586.15

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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.