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Finding the Fourth Proportional to 323,248.42, 484,380.54 and 154,536.86

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Solution

The fourth proportional to 323,248.42, 484,380.54 and 154,536.86 is: 231,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,248.42 : 484,380.54 = 154,536.86 : x
  2. Step 2: Convert to fraction form
    323,248.42/484,380.54 = 154,536.86/x
  3. Step 3: Cross multiply
    323,248.42x = 484,380.54 × 154,536.86
  4. Step 4: Simplify right side
    323,248.42x = 74,854,648,907.66
  5. Step 5: Solve for x
    x = 74,854,648,907.66/323,248.42
  6. Step 6: Final answer
    x = 231,570.04

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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.