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Finding the Fourth Proportional to 326,314.95, 450,773.42 and 251,820.87

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Solution

The fourth proportional to 326,314.95, 450,773.42 and 251,820.87 is: 347,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,314.95 : 450,773.42 = 251,820.87 : x
  2. Step 2: Convert to fraction form
    326,314.95/450,773.42 = 251,820.87/x
  3. Step 3: Cross multiply
    326,314.95x = 450,773.42 × 251,820.87
  4. Step 4: Simplify right side
    326,314.95x = 113,514,153,538.17
  5. Step 5: Solve for x
    x = 113,514,153,538.17/326,314.95
  6. Step 6: Final answer
    x = 347,866.85

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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.