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Finding the Fourth Proportional to 598,691.20, 897,256.80 and 243,289.76

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Solution

The fourth proportional to 598,691.20, 897,256.80 and 243,289.76 is: 364,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,691.20 : 897,256.80 = 243,289.76 : x
  2. Step 2: Convert to fraction form
    598,691.20/897,256.80 = 243,289.76/x
  3. Step 3: Cross multiply
    598,691.20x = 897,256.80 × 243,289.76
  4. Step 4: Simplify right side
    598,691.20x = 218,293,391,530.37
  5. Step 5: Solve for x
    x = 218,293,391,530.37/598,691.20
  6. Step 6: Final answer
    x = 364,617.67

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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.