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Finding the Fourth Proportional to 895,411.64, 1,343,584.02 and 396,659

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Solution

The fourth proportional to 895,411.64, 1,343,584.02 and 396,659 is: 595,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,411.64 : 1,343,584.02 = 396,659 : x
  2. Step 2: Convert to fraction form
    895,411.64/1,343,584.02 = 396,659/x
  3. Step 3: Cross multiply
    895,411.64x = 1,343,584.02 × 396,659
  4. Step 4: Simplify right side
    895,411.64x = 532,944,693,789.18
  5. Step 5: Solve for x
    x = 532,944,693,789.18/895,411.64
  6. Step 6: Final answer
    x = 595,195.18

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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.