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Finding the Fourth Proportional to 265,887.36, 366,915.42 and 158,401.62

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Solution

The fourth proportional to 265,887.36, 366,915.42 and 158,401.62 is: 218,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,887.36 : 366,915.42 = 158,401.62 : x
  2. Step 2: Convert to fraction form
    265,887.36/366,915.42 = 158,401.62/x
  3. Step 3: Cross multiply
    265,887.36x = 366,915.42 × 158,401.62
  4. Step 4: Simplify right side
    265,887.36x = 58,119,996,930.98
  5. Step 5: Solve for x
    x = 58,119,996,930.98/265,887.36
  6. Step 6: Final answer
    x = 218,588.79

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1.5x scale

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.