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Finding the Fourth Proportional to 265,764.66, 398,833.79 and 240,355.14

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Solution

The fourth proportional to 265,764.66, 398,833.79 and 240,355.14 is: 360,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,764.66 : 398,833.79 = 240,355.14 : x
  2. Step 2: Convert to fraction form
    265,764.66/398,833.79 = 240,355.14/x
  3. Step 3: Cross multiply
    265,764.66x = 398,833.79 × 240,355.14
  4. Step 4: Simplify right side
    265,764.66x = 95,861,750,038.90
  5. Step 5: Solve for x
    x = 95,861,750,038.90/265,764.66
  6. Step 6: Final answer
    x = 360,701.64

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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.