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Finding the Fourth Proportional to 431,039.88, 594,834.77 and 249,856.79

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Solution

The fourth proportional to 431,039.88, 594,834.77 and 249,856.79 is: 344,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,039.88 : 594,834.77 = 249,856.79 : x
  2. Step 2: Convert to fraction form
    431,039.88/594,834.77 = 249,856.79/x
  3. Step 3: Cross multiply
    431,039.88x = 594,834.77 × 249,856.79
  4. Step 4: Simplify right side
    431,039.88x = 148,623,503,863.06
  5. Step 5: Solve for x
    x = 148,623,503,863.06/431,039.88
  6. Step 6: Final answer
    x = 344,802.21

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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.