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Finding the Fourth Proportional to 662,988.97, 914,684.87 and 433,677.02

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Solution

The fourth proportional to 662,988.97, 914,684.87 and 433,677.02 is: 598,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,988.97 : 914,684.87 = 433,677.02 : x
  2. Step 2: Convert to fraction form
    662,988.97/914,684.87 = 433,677.02/x
  3. Step 3: Cross multiply
    662,988.97x = 914,684.87 × 433,677.02
  4. Step 4: Simplify right side
    662,988.97x = 396,677,806,492.30
  5. Step 5: Solve for x
    x = 396,677,806,492.30/662,988.97
  6. Step 6: Final answer
    x = 598,317.36

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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.