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Finding the Fourth Proportional to 265,763.08, 398,831.43 and 240,353.56

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Solution

The fourth proportional to 265,763.08, 398,831.43 and 240,353.56 is: 360,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,763.08 : 398,831.43 = 240,353.56 : x
  2. Step 2: Convert to fraction form
    265,763.08/398,831.43 = 240,353.56/x
  3. Step 3: Cross multiply
    265,763.08x = 398,831.43 × 240,353.56
  4. Step 4: Simplify right side
    265,763.08x = 95,860,553,043.31
  5. Step 5: Solve for x
    x = 95,860,553,043.31/265,763.08
  6. Step 6: Final answer
    x = 360,699.29

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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.