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Finding the Fourth Proportional to 591,877.26, 816,254.39 and 387,854.07

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Solution

The fourth proportional to 591,877.26, 816,254.39 and 387,854.07 is: 534,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,877.26 : 816,254.39 = 387,854.07 : x
  2. Step 2: Convert to fraction form
    591,877.26/816,254.39 = 387,854.07/x
  3. Step 3: Cross multiply
    591,877.26x = 816,254.39 × 387,854.07
  4. Step 4: Simplify right side
    591,877.26x = 316,587,587,316.87
  5. Step 5: Solve for x
    x = 316,587,587,316.87/591,877.26
  6. Step 6: Final answer
    x = 534,887.23

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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.