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Finding the Fourth Proportional to 262,714, 362,545.32 and 143,482

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Solution

The fourth proportional to 262,714, 362,545.32 and 143,482 is: 198,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,714 : 362,545.32 = 143,482 : x
  2. Step 2: Convert to fraction form
    262,714/362,545.32 = 143,482/x
  3. Step 3: Cross multiply
    262,714x = 362,545.32 × 143,482
  4. Step 4: Simplify right side
    262,714x = 52,018,727,604.24
  5. Step 5: Solve for x
    x = 52,018,727,604.24/262,714
  6. Step 6: Final answer
    x = 198,005.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.