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Finding the Fourth Proportional to 531,924.80, 797,923.20 and 216,387.20

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Solution

The fourth proportional to 531,924.80, 797,923.20 and 216,387.20 is: 324,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,924.80 : 797,923.20 = 216,387.20 : x
  2. Step 2: Convert to fraction form
    531,924.80/797,923.20 = 216,387.20/x
  3. Step 3: Cross multiply
    531,924.80x = 797,923.20 × 216,387.20
  4. Step 4: Simplify right side
    531,924.80x = 172,660,367,063.04
  5. Step 5: Solve for x
    x = 172,660,367,063.04/531,924.80
  6. Step 6: Final answer
    x = 324,595.44

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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.