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Finding the Fourth Proportional to 400,818.72, 601,246.72 and 223,191.80

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Solution

The fourth proportional to 400,818.72, 601,246.72 and 223,191.80 is: 334,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,818.72 : 601,246.72 = 223,191.80 : x
  2. Step 2: Convert to fraction form
    400,818.72/601,246.72 = 223,191.80/x
  3. Step 3: Cross multiply
    400,818.72x = 601,246.72 × 223,191.80
  4. Step 4: Simplify right side
    400,818.72x = 134,193,337,680.90
  5. Step 5: Solve for x
    x = 134,193,337,680.90/400,818.72
  6. Step 6: Final answer
    x = 334,798.08

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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.