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Finding the Fourth Proportional to 265,765.59, 398,835.18 and 240,356.07

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Solution

The fourth proportional to 265,765.59, 398,835.18 and 240,356.07 is: 360,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,765.59 : 398,835.18 = 240,356.07 : x
  2. Step 2: Convert to fraction form
    265,765.59/398,835.18 = 240,356.07/x
  3. Step 3: Cross multiply
    265,765.59x = 398,835.18 × 240,356.07
  4. Step 4: Simplify right side
    265,765.59x = 95,862,456,442.54
  5. Step 5: Solve for x
    x = 95,862,456,442.54/265,765.59
  6. Step 6: Final answer
    x = 360,703.04

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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.