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Finding the Fourth Proportional to 543,878.88, 750,603.48 and 329,071.68

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Solution

The fourth proportional to 543,878.88, 750,603.48 and 329,071.68 is: 454,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,878.88 : 750,603.48 = 329,071.68 : x
  2. Step 2: Convert to fraction form
    543,878.88/750,603.48 = 329,071.68/x
  3. Step 3: Cross multiply
    543,878.88x = 750,603.48 × 329,071.68
  4. Step 4: Simplify right side
    543,878.88x = 247,002,348,177.45
  5. Step 5: Solve for x
    x = 247,002,348,177.45/543,878.88
  6. Step 6: Final answer
    x = 454,149.55

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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.