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Finding the Fourth Proportional to 567,030.40, 851,201.70 and 327,335.20

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Solution

The fourth proportional to 567,030.40, 851,201.70 and 327,335.20 is: 491,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,030.40 : 851,201.70 = 327,335.20 : x
  2. Step 2: Convert to fraction form
    567,030.40/851,201.70 = 327,335.20/x
  3. Step 3: Cross multiply
    567,030.40x = 851,201.70 × 327,335.20
  4. Step 4: Simplify right side
    567,030.40x = 278,628,278,709.84
  5. Step 5: Solve for x
    x = 278,628,278,709.84/567,030.40
  6. Step 6: Final answer
    x = 491,381.55

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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.