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Finding the Fourth Proportional to 265,831.30, 366,639.85 and 170,346.88

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Solution

The fourth proportional to 265,831.30, 366,639.85 and 170,346.88 is: 234,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,831.30 : 366,639.85 = 170,346.88 : x
  2. Step 2: Convert to fraction form
    265,831.30/366,639.85 = 170,346.88/x
  3. Step 3: Cross multiply
    265,831.30x = 366,639.85 × 170,346.88
  4. Step 4: Simplify right side
    265,831.30x = 62,455,955,202.40
  5. Step 5: Solve for x
    x = 62,455,955,202.40/265,831.30
  6. Step 6: Final answer
    x = 234,945.83

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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.