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Finding the Fourth Proportional to 692,080.46, 955,079.45 and 401,759.29

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Solution

The fourth proportional to 692,080.46, 955,079.45 and 401,759.29 is: 554,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,080.46 : 955,079.45 = 401,759.29 : x
  2. Step 2: Convert to fraction form
    692,080.46/955,079.45 = 401,759.29/x
  3. Step 3: Cross multiply
    692,080.46x = 955,079.45 × 401,759.29
  4. Step 4: Simplify right side
    692,080.46x = 383,712,040,721.19
  5. Step 5: Solve for x
    x = 383,712,040,721.19/692,080.46
  6. Step 6: Final answer
    x = 554,432.70

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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.