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Finding the Fourth Proportional to 608,358.95, 912,472.70 and 203,505.24

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Solution

The fourth proportional to 608,358.95, 912,472.70 and 203,505.24 is: 305,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,358.95 : 912,472.70 = 203,505.24 : x
  2. Step 2: Convert to fraction form
    608,358.95/912,472.70 = 203,505.24/x
  3. Step 3: Cross multiply
    608,358.95x = 912,472.70 × 203,505.24
  4. Step 4: Simplify right side
    608,358.95x = 185,692,970,512.21
  5. Step 5: Solve for x
    x = 185,692,970,512.21/608,358.95
  6. Step 6: Final answer
    x = 305,235.86

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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.