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Finding the Fourth Proportional to 265,064.37, 365,761.51 and 157,613.64

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Solution

The fourth proportional to 265,064.37, 365,761.51 and 157,613.64 is: 217,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,064.37 : 365,761.51 = 157,613.64 : x
  2. Step 2: Convert to fraction form
    265,064.37/365,761.51 = 157,613.64/x
  3. Step 3: Cross multiply
    265,064.37x = 365,761.51 × 157,613.64
  4. Step 4: Simplify right side
    265,064.37x = 57,649,002,963.00
  5. Step 5: Solve for x
    x = 57,649,002,963.00/265,064.37
  6. Step 6: Final answer
    x = 217,490.58

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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.