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Finding the Fourth Proportional to 560,755.29, 840,925.17 and 200,870.09

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Solution

The fourth proportional to 560,755.29, 840,925.17 and 200,870.09 is: 301,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,755.29 : 840,925.17 = 200,870.09 : x
  2. Step 2: Convert to fraction form
    560,755.29/840,925.17 = 200,870.09/x
  3. Step 3: Cross multiply
    560,755.29x = 840,925.17 × 200,870.09
  4. Step 4: Simplify right side
    560,755.29x = 168,916,714,581.17
  5. Step 5: Solve for x
    x = 168,916,714,581.17/560,755.29
  6. Step 6: Final answer
    x = 301,230.71

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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.