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Finding the Fourth Proportional to 265,825.80, 398,738.70 and 250,079.40

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Solution

The fourth proportional to 265,825.80, 398,738.70 and 250,079.40 is: 375,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,825.80 : 398,738.70 = 250,079.40 : x
  2. Step 2: Convert to fraction form
    265,825.80/398,738.70 = 250,079.40/x
  3. Step 3: Cross multiply
    265,825.80x = 398,738.70 × 250,079.40
  4. Step 4: Simplify right side
    265,825.80x = 99,716,334,852.78
  5. Step 5: Solve for x
    x = 99,716,334,852.78/265,825.80
  6. Step 6: Final answer
    x = 375,119.10

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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.