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Finding the Fourth Proportional to 356,574.10, 534,861.15 and 223,863.70

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Solution

The fourth proportional to 356,574.10, 534,861.15 and 223,863.70 is: 335,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,574.10 : 534,861.15 = 223,863.70 : x
  2. Step 2: Convert to fraction form
    356,574.10/534,861.15 = 223,863.70/x
  3. Step 3: Cross multiply
    356,574.10x = 534,861.15 × 223,863.70
  4. Step 4: Simplify right side
    356,574.10x = 119,735,996,025.26
  5. Step 5: Solve for x
    x = 119,735,996,025.26/356,574.10
  6. Step 6: Final answer
    x = 335,795.55

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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.