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Finding the Fourth Proportional to 265,143.26, 397,715.70 and 65,463.66

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Solution

The fourth proportional to 265,143.26, 397,715.70 and 65,463.66 is: 98,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,143.26 : 397,715.70 = 65,463.66 : x
  2. Step 2: Convert to fraction form
    265,143.26/397,715.70 = 65,463.66/x
  3. Step 3: Cross multiply
    265,143.26x = 397,715.70 × 65,463.66
  4. Step 4: Simplify right side
    265,143.26x = 26,035,925,361.46
  5. Step 5: Solve for x
    x = 26,035,925,361.46/265,143.26
  6. Step 6: Final answer
    x = 98,195.69

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1.5x scale

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.