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Finding the Fourth Proportional to 598,960.40, 897,128.40 and 520,228.40

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Solution

The fourth proportional to 598,960.40, 897,128.40 and 520,228.40 is: 779,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,960.40 : 897,128.40 = 520,228.40 : x
  2. Step 2: Convert to fraction form
    598,960.40/897,128.40 = 520,228.40/x
  3. Step 3: Cross multiply
    598,960.40x = 897,128.40 × 520,228.40
  4. Step 4: Simplify right side
    598,960.40x = 466,711,672,126.56
  5. Step 5: Solve for x
    x = 466,711,672,126.56/598,960.40
  6. Step 6: Final answer
    x = 779,202.89

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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.