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Finding the Fourth Proportional to 543,952.80, 750,610.98 and 314,524.80

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Solution

The fourth proportional to 543,952.80, 750,610.98 and 314,524.80 is: 434,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,952.80 : 750,610.98 = 314,524.80 : x
  2. Step 2: Convert to fraction form
    543,952.80/750,610.98 = 314,524.80/x
  3. Step 3: Cross multiply
    543,952.80x = 750,610.98 × 314,524.80
  4. Step 4: Simplify right side
    543,952.80x = 236,085,768,362.30
  5. Step 5: Solve for x
    x = 236,085,768,362.30/543,952.80
  6. Step 6: Final answer
    x = 434,018.85

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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.