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Finding the Fourth Proportional to 313,143.88, 432,092.61 and 175,315.68

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Solution

The fourth proportional to 313,143.88, 432,092.61 and 175,315.68 is: 241,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,143.88 : 432,092.61 = 175,315.68 : x
  2. Step 2: Convert to fraction form
    313,143.88/432,092.61 = 175,315.68/x
  3. Step 3: Cross multiply
    313,143.88x = 432,092.61 × 175,315.68
  4. Step 4: Simplify right side
    313,143.88x = 75,752,609,745.12
  5. Step 5: Solve for x
    x = 75,752,609,745.12/313,143.88
  6. Step 6: Final answer
    x = 241,909.92

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1.5x scale

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.