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Finding the Fourth Proportional to 433,028.86, 650,132.28 and 243,622.48

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Solution

The fourth proportional to 433,028.86, 650,132.28 and 243,622.48 is: 365,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,028.86 : 650,132.28 = 243,622.48 : x
  2. Step 2: Convert to fraction form
    433,028.86/650,132.28 = 243,622.48/x
  3. Step 3: Cross multiply
    433,028.86x = 650,132.28 × 243,622.48
  4. Step 4: Simplify right side
    433,028.86x = 158,386,838,381.65
  5. Step 5: Solve for x
    x = 158,386,838,381.65/433,028.86
  6. Step 6: Final answer
    x = 365,765.09

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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.