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Finding the Fourth Proportional to 374,729.68, 517,116 and 204,960.16

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Solution

The fourth proportional to 374,729.68, 517,116 and 204,960.16 is: 282,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,729.68 : 517,116 = 204,960.16 : x
  2. Step 2: Convert to fraction form
    374,729.68/517,116 = 204,960.16/x
  3. Step 3: Cross multiply
    374,729.68x = 517,116 × 204,960.16
  4. Step 4: Simplify right side
    374,729.68x = 105,988,178,098.56
  5. Step 5: Solve for x
    x = 105,988,178,098.56/374,729.68
  6. Step 6: Final answer
    x = 282,839.03

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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.