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Finding the Fourth Proportional to 664,451.80, 996,483.30 and 237,938.20

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Solution

The fourth proportional to 664,451.80, 996,483.30 and 237,938.20 is: 356,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,451.80 : 996,483.30 = 237,938.20 : x
  2. Step 2: Convert to fraction form
    664,451.80/996,483.30 = 237,938.20/x
  3. Step 3: Cross multiply
    664,451.80x = 996,483.30 × 237,938.20
  4. Step 4: Simplify right side
    664,451.80x = 237,101,442,732.06
  5. Step 5: Solve for x
    x = 237,101,442,732.06/664,451.80
  6. Step 6: Final answer
    x = 356,837.69

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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.