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Finding the Fourth Proportional to 1,586,691, 2,380,036.68 and 404,739

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Solution

The fourth proportional to 1,586,691, 2,380,036.68 and 404,739 is: 607,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,691 : 2,380,036.68 = 404,739 : x
  2. Step 2: Convert to fraction form
    1,586,691/2,380,036.68 = 404,739/x
  3. Step 3: Cross multiply
    1,586,691x = 2,380,036.68 × 404,739
  4. Step 4: Simplify right side
    1,586,691x = 963,293,665,826.52
  5. Step 5: Solve for x
    x = 963,293,665,826.52/1,586,691
  6. Step 6: Final answer
    x = 607,108.55

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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.