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Finding the Fourth Proportional to 338,502, 467,132.76 and 187,608.72

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Solution

The fourth proportional to 338,502, 467,132.76 and 187,608.72 is: 258,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,502 : 467,132.76 = 187,608.72 : x
  2. Step 2: Convert to fraction form
    338,502/467,132.76 = 187,608.72/x
  3. Step 3: Cross multiply
    338,502x = 467,132.76 × 187,608.72
  4. Step 4: Simplify right side
    338,502x = 87,638,179,173.67
  5. Step 5: Solve for x
    x = 87,638,179,173.67/338,502
  6. Step 6: Final answer
    x = 258,900.03

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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.