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Finding the Fourth Proportional to 681,514.11, 940,496.00 and 375,601.59

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Solution

The fourth proportional to 681,514.11, 940,496.00 and 375,601.59 is: 518,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,514.11 : 940,496.00 = 375,601.59 : x
  2. Step 2: Convert to fraction form
    681,514.11/940,496.00 = 375,601.59/x
  3. Step 3: Cross multiply
    681,514.11x = 940,496.00 × 375,601.59
  4. Step 4: Simplify right side
    681,514.11x = 353,251,791,110.63
  5. Step 5: Solve for x
    x = 353,251,791,110.63/681,514.11
  6. Step 6: Final answer
    x = 518,333.79

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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.