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Finding the Fourth Proportional to 265,157.66, 397,657.22 and 75,604.91

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Solution

The fourth proportional to 265,157.66, 397,657.22 and 75,604.91 is: 113,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,157.66 : 397,657.22 = 75,604.91 : x
  2. Step 2: Convert to fraction form
    265,157.66/397,657.22 = 75,604.91/x
  3. Step 3: Cross multiply
    265,157.66x = 397,657.22 × 75,604.91
  4. Step 4: Simplify right side
    265,157.66x = 30,064,835,962.64
  5. Step 5: Solve for x
    x = 30,064,835,962.64/265,157.66
  6. Step 6: Final answer
    x = 113,384.75

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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.