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Finding the Fourth Proportional to 341,978.15, 471,685.07 and 240,026.35

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Solution

The fourth proportional to 341,978.15, 471,685.07 and 240,026.35 is: 331,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,978.15 : 471,685.07 = 240,026.35 : x
  2. Step 2: Convert to fraction form
    341,978.15/471,685.07 = 240,026.35/x
  3. Step 3: Cross multiply
    341,978.15x = 471,685.07 × 240,026.35
  4. Step 4: Simplify right side
    341,978.15x = 113,216,845,701.60
  5. Step 5: Solve for x
    x = 113,216,845,701.60/341,978.15
  6. Step 6: Final answer
    x = 331,064.56

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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.