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Finding the Fourth Proportional to 516,982, 775,528.62 and 217,493.08

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Solution

The fourth proportional to 516,982, 775,528.62 and 217,493.08 is: 326,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,982 : 775,528.62 = 217,493.08 : x
  2. Step 2: Convert to fraction form
    516,982/775,528.62 = 217,493.08/x
  3. Step 3: Cross multiply
    516,982x = 775,528.62 × 217,493.08
  4. Step 4: Simplify right side
    516,982x = 168,672,108,191.95
  5. Step 5: Solve for x
    x = 168,672,108,191.95/516,982
  6. Step 6: Final answer
    x = 326,263.02

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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.