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Finding the Fourth Proportional to 265,035.24, 397,468.62 and 87,509.16

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Solution

The fourth proportional to 265,035.24, 397,468.62 and 87,509.16 is: 131,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,035.24 : 397,468.62 = 87,509.16 : x
  2. Step 2: Convert to fraction form
    265,035.24/397,468.62 = 87,509.16/x
  3. Step 3: Cross multiply
    265,035.24x = 397,468.62 × 87,509.16
  4. Step 4: Simplify right side
    265,035.24x = 34,782,145,062.56
  5. Step 5: Solve for x
    x = 34,782,145,062.56/265,035.24
  6. Step 6: Final answer
    x = 131,235.93

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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.