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Finding the Fourth Proportional to 466,258.96, 643,436.31 and 262,309.96

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Solution

The fourth proportional to 466,258.96, 643,436.31 and 262,309.96 is: 361,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,258.96 : 643,436.31 = 262,309.96 : x
  2. Step 2: Convert to fraction form
    466,258.96/643,436.31 = 262,309.96/x
  3. Step 3: Cross multiply
    466,258.96x = 643,436.31 × 262,309.96
  4. Step 4: Simplify right side
    466,258.96x = 168,779,752,738.65
  5. Step 5: Solve for x
    x = 168,779,752,738.65/466,258.96
  6. Step 6: Final answer
    x = 361,987.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.