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Finding the Fourth Proportional to 664,437.80, 996,462.30 and 237,924.20

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Solution

The fourth proportional to 664,437.80, 996,462.30 and 237,924.20 is: 356,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,437.80 : 996,462.30 = 237,924.20 : x
  2. Step 2: Convert to fraction form
    664,437.80/996,462.30 = 237,924.20/x
  3. Step 3: Cross multiply
    664,437.80x = 996,462.30 × 237,924.20
  4. Step 4: Simplify right side
    664,437.80x = 237,082,495,557.66
  5. Step 5: Solve for x
    x = 237,082,495,557.66/664,437.80
  6. Step 6: Final answer
    x = 356,816.69

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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.