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Finding the Fourth Proportional to 332,227.80, 498,341.70 and 121,838.40

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Solution

The fourth proportional to 332,227.80, 498,341.70 and 121,838.40 is: 182,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,227.80 : 498,341.70 = 121,838.40 : x
  2. Step 2: Convert to fraction form
    332,227.80/498,341.70 = 121,838.40/x
  3. Step 3: Cross multiply
    332,227.80x = 498,341.70 × 121,838.40
  4. Step 4: Simplify right side
    332,227.80x = 60,717,155,381.28
  5. Step 5: Solve for x
    x = 60,717,155,381.28/332,227.80
  6. Step 6: Final answer
    x = 182,757.60

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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.