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Finding the Fourth Proportional to 325,585.67, 487,788.01 and 240,407.48

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Solution

The fourth proportional to 325,585.67, 487,788.01 and 240,407.48 is: 360,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,585.67 : 487,788.01 = 240,407.48 : x
  2. Step 2: Convert to fraction form
    325,585.67/487,788.01 = 240,407.48/x
  3. Step 3: Cross multiply
    325,585.67x = 487,788.01 × 240,407.48
  4. Step 4: Simplify right side
    325,585.67x = 117,267,886,876.77
  5. Step 5: Solve for x
    x = 117,267,886,876.77/325,585.67
  6. Step 6: Final answer
    x = 360,175.21

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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.