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Finding the Fourth Proportional to 664,302.80, 996,259.80 and 237,789.20

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Solution

The fourth proportional to 664,302.80, 996,259.80 and 237,789.20 is: 356,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302.80 : 996,259.80 = 237,789.20 : x
  2. Step 2: Convert to fraction form
    664,302.80/996,259.80 = 237,789.20/x
  3. Step 3: Cross multiply
    664,302.80x = 996,259.80 × 237,789.20
  4. Step 4: Simplify right side
    664,302.80x = 236,899,820,834.16
  5. Step 5: Solve for x
    x = 236,899,820,834.16/664,302.80
  6. Step 6: Final answer
    x = 356,614.21

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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.