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Finding the Fourth Proportional to 412,641.66, 569,546.78 and 251,585.52

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Solution

The fourth proportional to 412,641.66, 569,546.78 and 251,585.52 is: 347,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,641.66 : 569,546.78 = 251,585.52 : x
  2. Step 2: Convert to fraction form
    412,641.66/569,546.78 = 251,585.52/x
  3. Step 3: Cross multiply
    412,641.66x = 569,546.78 × 251,585.52
  4. Step 4: Simplify right side
    412,641.66x = 143,289,722,810.63
  5. Step 5: Solve for x
    x = 143,289,722,810.63/412,641.66
  6. Step 6: Final answer
    x = 347,249.77

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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.