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Finding the Fourth Proportional to 1,251,473.28, 1,877,768 and 577,192

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Solution

The fourth proportional to 1,251,473.28, 1,877,768 and 577,192 is: 866,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,473.28 : 1,877,768 = 577,192 : x
  2. Step 2: Convert to fraction form
    1,251,473.28/1,877,768 = 577,192/x
  3. Step 3: Cross multiply
    1,251,473.28x = 1,877,768 × 577,192
  4. Step 4: Simplify right side
    1,251,473.28x = 1,083,832,667,456
  5. Step 5: Solve for x
    x = 1,083,832,667,456/1,251,473.28
  6. Step 6: Final answer
    x = 866,045.39

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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.