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Finding the Fourth Proportional to 647,029.95, 970,544.93 and 532,868.55

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Solution

The fourth proportional to 647,029.95, 970,544.93 and 532,868.55 is: 799,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,029.95 : 970,544.93 = 532,868.55 : x
  2. Step 2: Convert to fraction form
    647,029.95/970,544.93 = 532,868.55/x
  3. Step 3: Cross multiply
    647,029.95x = 970,544.93 × 532,868.55
  4. Step 4: Simplify right side
    647,029.95x = 517,172,866,894.61
  5. Step 5: Solve for x
    x = 517,172,866,894.61/647,029.95
  6. Step 6: Final answer
    x = 799,302.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.