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Finding the Fourth Proportional to 242,535.20, 363,802.80 and 231,648.80

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Solution

The fourth proportional to 242,535.20, 363,802.80 and 231,648.80 is: 347,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,535.20 : 363,802.80 = 231,648.80 : x
  2. Step 2: Convert to fraction form
    242,535.20/363,802.80 = 231,648.80/x
  3. Step 3: Cross multiply
    242,535.20x = 363,802.80 × 231,648.80
  4. Step 4: Simplify right side
    242,535.20x = 84,274,482,056.64
  5. Step 5: Solve for x
    x = 84,274,482,056.64/242,535.20
  6. Step 6: Final answer
    x = 347,473.20

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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.