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Finding the Fourth Proportional to 416,898.80, 625,639.80 and 267,502.40

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Solution

The fourth proportional to 416,898.80, 625,639.80 and 267,502.40 is: 401,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,898.80 : 625,639.80 = 267,502.40 : x
  2. Step 2: Convert to fraction form
    416,898.80/625,639.80 = 267,502.40/x
  3. Step 3: Cross multiply
    416,898.80x = 625,639.80 × 267,502.40
  4. Step 4: Simplify right side
    416,898.80x = 167,360,148,035.52
  5. Step 5: Solve for x
    x = 167,360,148,035.52/416,898.80
  6. Step 6: Final answer
    x = 401,440.70

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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.