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Finding the Fourth Proportional to 265,768.04, 398,838.86 and 240,358.51

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Solution

The fourth proportional to 265,768.04, 398,838.86 and 240,358.51 is: 360,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,768.04 : 398,838.86 = 240,358.51 : x
  2. Step 2: Convert to fraction form
    265,768.04/398,838.86 = 240,358.51/x
  3. Step 3: Cross multiply
    265,768.04x = 398,838.86 × 240,358.51
  4. Step 4: Simplify right side
    265,768.04x = 95,864,314,119.70
  5. Step 5: Solve for x
    x = 95,864,314,119.70/265,768.04
  6. Step 6: Final answer
    x = 360,706.71

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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.