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Finding the Fourth Proportional to 472,672.50, 652,343.18 and 268,753.98

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Solution

The fourth proportional to 472,672.50, 652,343.18 and 268,753.98 is: 370,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,672.50 : 652,343.18 = 268,753.98 : x
  2. Step 2: Convert to fraction form
    472,672.50/652,343.18 = 268,753.98/x
  3. Step 3: Cross multiply
    472,672.50x = 652,343.18 × 268,753.98
  4. Step 4: Simplify right side
    472,672.50x = 175,319,825,950.86
  5. Step 5: Solve for x
    x = 175,319,825,950.86/472,672.50
  6. Step 6: Final answer
    x = 370,911.84

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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.