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Finding the Fourth Proportional to 484,479.60, 726,719.40 and 464,002.80

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Solution

The fourth proportional to 484,479.60, 726,719.40 and 464,002.80 is: 696,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,479.60 : 726,719.40 = 464,002.80 : x
  2. Step 2: Convert to fraction form
    484,479.60/726,719.40 = 464,002.80/x
  3. Step 3: Cross multiply
    484,479.60x = 726,719.40 × 464,002.80
  4. Step 4: Simplify right side
    484,479.60x = 337,199,836,414.32
  5. Step 5: Solve for x
    x = 337,199,836,414.32/484,479.60
  6. Step 6: Final answer
    x = 696,004.20

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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.