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Finding the Fourth Proportional to 539,240.30, 808,568.85 and 223,729.10

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Solution

The fourth proportional to 539,240.30, 808,568.85 and 223,729.10 is: 335,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,240.30 : 808,568.85 = 223,729.10 : x
  2. Step 2: Convert to fraction form
    539,240.30/808,568.85 = 223,729.10/x
  3. Step 3: Cross multiply
    539,240.30x = 808,568.85 × 223,729.10
  4. Step 4: Simplify right side
    539,240.30x = 180,900,381,098.54
  5. Step 5: Solve for x
    x = 180,900,381,098.54/539,240.30
  6. Step 6: Final answer
    x = 335,472.67

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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.