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Finding the Fourth Proportional to 223,311.10, 334,966.65 and 202,315.90

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Solution

The fourth proportional to 223,311.10, 334,966.65 and 202,315.90 is: 303,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,311.10 : 334,966.65 = 202,315.90 : x
  2. Step 2: Convert to fraction form
    223,311.10/334,966.65 = 202,315.90/x
  3. Step 3: Cross multiply
    223,311.10x = 334,966.65 × 202,315.90
  4. Step 4: Simplify right side
    223,311.10x = 67,769,079,264.74
  5. Step 5: Solve for x
    x = 67,769,079,264.74/223,311.10
  6. Step 6: Final answer
    x = 303,473.85

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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.