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Finding the Fourth Proportional to 290,256.48, 435,509.52 and 150,113.44

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Solution

The fourth proportional to 290,256.48, 435,509.52 and 150,113.44 is: 225,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,256.48 : 435,509.52 = 150,113.44 : x
  2. Step 2: Convert to fraction form
    290,256.48/435,509.52 = 150,113.44/x
  3. Step 3: Cross multiply
    290,256.48x = 435,509.52 × 150,113.44
  4. Step 4: Simplify right side
    290,256.48x = 65,375,832,199.95
  5. Step 5: Solve for x
    x = 65,375,832,199.95/290,256.48
  6. Step 6: Final answer
    x = 225,234.70

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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.