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Finding the Fourth Proportional to 317,807.60, 476,480.20 and 149,241.04

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Solution

The fourth proportional to 317,807.60, 476,480.20 and 149,241.04 is: 223,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,807.60 : 476,480.20 = 149,241.04 : x
  2. Step 2: Convert to fraction form
    317,807.60/476,480.20 = 149,241.04/x
  3. Step 3: Cross multiply
    317,807.60x = 476,480.20 × 149,241.04
  4. Step 4: Simplify right side
    317,807.60x = 71,110,400,587.41
  5. Step 5: Solve for x
    x = 71,110,400,587.41/317,807.60
  6. Step 6: Final answer
    x = 223,752.99

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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.