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Finding the Fourth Proportional to 486,066.60, 728,225.10 and 416,082.60

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Solution

The fourth proportional to 486,066.60, 728,225.10 and 416,082.60 is: 623,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,066.60 : 728,225.10 = 416,082.60 : x
  2. Step 2: Convert to fraction form
    486,066.60/728,225.10 = 416,082.60/x
  3. Step 3: Cross multiply
    486,066.60x = 728,225.10 × 416,082.60
  4. Step 4: Simplify right side
    486,066.60x = 303,001,792,993.26
  5. Step 5: Solve for x
    x = 303,001,792,993.26/486,066.60
  6. Step 6: Final answer
    x = 623,375.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.