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Finding the Fourth Proportional to 250,380, 375,570.48 and 60,840.54

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Solution

The fourth proportional to 250,380, 375,570.48 and 60,840.54 is: 91,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,380 : 375,570.48 = 60,840.54 : x
  2. Step 2: Convert to fraction form
    250,380/375,570.48 = 60,840.54/x
  3. Step 3: Cross multiply
    250,380x = 375,570.48 × 60,840.54
  4. Step 4: Simplify right side
    250,380x = 22,849,910,811.26
  5. Step 5: Solve for x
    x = 22,849,910,811.26/250,380
  6. Step 6: Final answer
    x = 91,260.93

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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.