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Finding the Fourth Proportional to 499,007.60, 748,511.40 and 144,033.20

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Solution

The fourth proportional to 499,007.60, 748,511.40 and 144,033.20 is: 216,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,007.60 : 748,511.40 = 144,033.20 : x
  2. Step 2: Convert to fraction form
    499,007.60/748,511.40 = 144,033.20/x
  3. Step 3: Cross multiply
    499,007.60x = 748,511.40 × 144,033.20
  4. Step 4: Simplify right side
    499,007.60x = 107,810,492,178.48
  5. Step 5: Solve for x
    x = 107,810,492,178.48/499,007.60
  6. Step 6: Final answer
    x = 216,049.80

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1.5x scale

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.