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Finding the Fourth Proportional to 532,557,687.80, 734,930,604.88 and 297,608,348.54

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Solution

The fourth proportional to 532,557,687.80, 734,930,604.88 and 297,608,348.54 is: 410,700,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,557,687.80 : 734,930,604.88 = 297,608,348.54 : x
  2. Step 2: Convert to fraction form
    532,557,687.80/734,930,604.88 = 297,608,348.54/x
  3. Step 3: Cross multiply
    532,557,687.80x = 734,930,604.88 × 297,608,348.54
  4. Step 4: Simplify right side
    532,557,687.80x = 218,721,483,610,933,408
  5. Step 5: Solve for x
    x = 218,721,483,610,933,408/532,557,687.80
  6. Step 6: Final answer
    x = 410,700,077.42

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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.