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Finding the Fourth Proportional to 324,998.34, 487,507.65 and 88,346.04

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Solution

The fourth proportional to 324,998.34, 487,507.65 and 88,346.04 is: 132,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,998.34 : 487,507.65 = 88,346.04 : x
  2. Step 2: Convert to fraction form
    324,998.34/487,507.65 = 88,346.04/x
  3. Step 3: Cross multiply
    324,998.34x = 487,507.65 × 88,346.04
  4. Step 4: Simplify right side
    324,998.34x = 43,069,370,347.21
  5. Step 5: Solve for x
    x = 43,069,370,347.21/324,998.34
  6. Step 6: Final answer
    x = 132,521.82

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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.