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Finding the Fourth Proportional to 374,146.25, 516,302.57 and 204,347.57

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Solution

The fourth proportional to 374,146.25, 516,302.57 and 204,347.57 is: 281,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,146.25 : 516,302.57 = 204,347.57 : x
  2. Step 2: Convert to fraction form
    374,146.25/516,302.57 = 204,347.57/x
  3. Step 3: Cross multiply
    374,146.25x = 516,302.57 × 204,347.57
  4. Step 4: Simplify right side
    374,146.25x = 105,505,173,493.61
  5. Step 5: Solve for x
    x = 105,505,173,493.61/374,146.25
  6. Step 6: Final answer
    x = 281,989.13

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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.