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Finding the Fourth Proportional to 447,682.40, 672,301.20 and 237,730.40

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Solution

The fourth proportional to 447,682.40, 672,301.20 and 237,730.40 is: 357,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,682.40 : 672,301.20 = 237,730.40 : x
  2. Step 2: Convert to fraction form
    447,682.40/672,301.20 = 237,730.40/x
  3. Step 3: Cross multiply
    447,682.40x = 672,301.20 × 237,730.40
  4. Step 4: Simplify right side
    447,682.40x = 159,826,433,196.48
  5. Step 5: Solve for x
    x = 159,826,433,196.48/447,682.40
  6. Step 6: Final answer
    x = 357,008.52

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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.