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Finding the Fourth Proportional to 466,959.40, 700,439.10 and 278,002.60

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Solution

The fourth proportional to 466,959.40, 700,439.10 and 278,002.60 is: 417,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,959.40 : 700,439.10 = 278,002.60 : x
  2. Step 2: Convert to fraction form
    466,959.40/700,439.10 = 278,002.60/x
  3. Step 3: Cross multiply
    466,959.40x = 700,439.10 × 278,002.60
  4. Step 4: Simplify right side
    466,959.40x = 194,723,890,941.66
  5. Step 5: Solve for x
    x = 194,723,890,941.66/466,959.40
  6. Step 6: Final answer
    x = 417,003.90

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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.