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Finding the Fourth Proportional to 360,422.53, 540,792.05 and 171,019.82

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Solution

The fourth proportional to 360,422.53, 540,792.05 and 171,019.82 is: 256,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,422.53 : 540,792.05 = 171,019.82 : x
  2. Step 2: Convert to fraction form
    360,422.53/540,792.05 = 171,019.82/x
  3. Step 3: Cross multiply
    360,422.53x = 540,792.05 × 171,019.82
  4. Step 4: Simplify right side
    360,422.53x = 92,486,159,545.31
  5. Step 5: Solve for x
    x = 92,486,159,545.31/360,422.53
  6. Step 6: Final answer
    x = 256,604.82

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1.5x scale

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.