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Finding the Fourth Proportional to 265,134.08, 397,643.52 and 87,599.04

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Solution

The fourth proportional to 265,134.08, 397,643.52 and 87,599.04 is: 131,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,134.08 : 397,643.52 = 87,599.04 : x
  2. Step 2: Convert to fraction form
    265,134.08/397,643.52 = 87,599.04/x
  3. Step 3: Cross multiply
    265,134.08x = 397,643.52 × 87,599.04
  4. Step 4: Simplify right side
    265,134.08x = 34,833,190,614.22
  5. Step 5: Solve for x
    x = 34,833,190,614.22/265,134.08
  6. Step 6: Final answer
    x = 131,379.53

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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.