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Finding the Fourth Proportional to 431,101.96, 594,920.87 and 249,918.92

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Solution

The fourth proportional to 431,101.96, 594,920.87 and 249,918.92 is: 344,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,101.96 : 594,920.87 = 249,918.92 : x
  2. Step 2: Convert to fraction form
    431,101.96/594,920.87 = 249,918.92/x
  3. Step 3: Cross multiply
    431,101.96x = 594,920.87 × 249,918.92
  4. Step 4: Simplify right side
    431,101.96x = 148,681,981,315.86
  5. Step 5: Solve for x
    x = 148,681,981,315.86/431,101.96
  6. Step 6: Final answer
    x = 344,888.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.