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Finding the Fourth Proportional to 531,990.60, 798,569.10 and 332,536.20

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Solution

The fourth proportional to 531,990.60, 798,569.10 and 332,536.20 is: 499,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,990.60 : 798,569.10 = 332,536.20 : x
  2. Step 2: Convert to fraction form
    531,990.60/798,569.10 = 332,536.20/x
  3. Step 3: Cross multiply
    531,990.60x = 798,569.10 × 332,536.20
  4. Step 4: Simplify right side
    531,990.60x = 265,553,133,951.42
  5. Step 5: Solve for x
    x = 265,553,133,951.42/531,990.60
  6. Step 6: Final answer
    x = 499,168.85

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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.