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Finding the Fourth Proportional to 895,385.64, 1,343,545.02 and 396,633

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Solution

The fourth proportional to 895,385.64, 1,343,545.02 and 396,633 is: 595,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,385.64 : 1,343,545.02 = 396,633 : x
  2. Step 2: Convert to fraction form
    895,385.64/1,343,545.02 = 396,633/x
  3. Step 3: Cross multiply
    895,385.64x = 1,343,545.02 × 396,633
  4. Step 4: Simplify right side
    895,385.64x = 532,894,291,917.66
  5. Step 5: Solve for x
    x = 532,894,291,917.66/895,385.64
  6. Step 6: Final answer
    x = 595,156.17

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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.