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Finding the Fourth Proportional to 338,552.48, 467,218.32 and 187,652

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Solution

The fourth proportional to 338,552.48, 467,218.32 and 187,652 is: 258,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,552.48 : 467,218.32 = 187,652 : x
  2. Step 2: Convert to fraction form
    338,552.48/467,218.32 = 187,652/x
  3. Step 3: Cross multiply
    338,552.48x = 467,218.32 × 187,652
  4. Step 4: Simplify right side
    338,552.48x = 87,674,452,184.64
  5. Step 5: Solve for x
    x = 87,674,452,184.64/338,552.48
  6. Step 6: Final answer
    x = 258,968.57

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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.