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Finding the Fourth Proportional to 648,194.80, 972,583.80 and 227,772.40

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Solution

The fourth proportional to 648,194.80, 972,583.80 and 227,772.40 is: 341,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,194.80 : 972,583.80 = 227,772.40 : x
  2. Step 2: Convert to fraction form
    648,194.80/972,583.80 = 227,772.40/x
  3. Step 3: Cross multiply
    648,194.80x = 972,583.80 × 227,772.40
  4. Step 4: Simplify right side
    648,194.80x = 221,527,746,327.12
  5. Step 5: Solve for x
    x = 221,527,746,327.12/648,194.80
  6. Step 6: Final answer
    x = 341,761.07

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Similar ratio
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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.