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Finding the Fourth Proportional to 323,034.62, 484,018.74 and 187,718.84

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Solution

The fourth proportional to 323,034.62, 484,018.74 and 187,718.84 is: 281,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,034.62 : 484,018.74 = 187,718.84 : x
  2. Step 2: Convert to fraction form
    323,034.62/484,018.74 = 187,718.84/x
  3. Step 3: Cross multiply
    323,034.62x = 484,018.74 × 187,718.84
  4. Step 4: Simplify right side
    323,034.62x = 90,859,436,411.06
  5. Step 5: Solve for x
    x = 90,859,436,411.06/323,034.62
  6. Step 6: Final answer
    x = 281,268.42

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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.