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Finding the Fourth Proportional to 374,247.78, 516,455.91 and 204,478.26

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Solution

The fourth proportional to 374,247.78, 516,455.91 and 204,478.26 is: 282,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,247.78 : 516,455.91 = 204,478.26 : x
  2. Step 2: Convert to fraction form
    374,247.78/516,455.91 = 204,478.26/x
  3. Step 3: Cross multiply
    374,247.78x = 516,455.91 × 204,478.26
  4. Step 4: Simplify right side
    374,247.78x = 105,604,005,843.52
  5. Step 5: Solve for x
    x = 105,604,005,843.52/374,247.78
  6. Step 6: Final answer
    x = 282,176.71

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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.