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Finding the Fourth Proportional to 559,419.35, 838,975.41 and 154,514.72

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Solution

The fourth proportional to 559,419.35, 838,975.41 and 154,514.72 is: 231,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,419.35 : 838,975.41 = 154,514.72 : x
  2. Step 2: Convert to fraction form
    559,419.35/838,975.41 = 154,514.72/x
  3. Step 3: Cross multiply
    559,419.35x = 838,975.41 × 154,514.72
  4. Step 4: Simplify right side
    559,419.35x = 129,634,052,660.47
  5. Step 5: Solve for x
    x = 129,634,052,660.47/559,419.35
  6. Step 6: Final answer
    x = 231,729.66

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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.