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Finding the Fourth Proportional to 511,588.56, 767,452.86 and 174,538.72

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Solution

The fourth proportional to 511,588.56, 767,452.86 and 174,538.72 is: 261,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,588.56 : 767,452.86 = 174,538.72 : x
  2. Step 2: Convert to fraction form
    511,588.56/767,452.86 = 174,538.72/x
  3. Step 3: Cross multiply
    511,588.56x = 767,452.86 × 174,538.72
  4. Step 4: Simplify right side
    511,588.56x = 133,950,239,844.74
  5. Step 5: Solve for x
    x = 133,950,239,844.74/511,588.56
  6. Step 6: Final answer
    x = 261,831.97

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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.