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Finding the Fourth Proportional to 385,677.70, 532,058.63 and 249,755.43

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Solution

The fourth proportional to 385,677.70, 532,058.63 and 249,755.43 is: 344,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,677.70 : 532,058.63 = 249,755.43 : x
  2. Step 2: Convert to fraction form
    385,677.70/532,058.63 = 249,755.43/x
  3. Step 3: Cross multiply
    385,677.70x = 532,058.63 × 249,755.43
  4. Step 4: Simplify right side
    385,677.70x = 132,884,528,178.06
  5. Step 5: Solve for x
    x = 132,884,528,178.06/385,677.70
  6. Step 6: Final answer
    x = 344,548.12

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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.