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Finding the Fourth Proportional to 567,720.56, 783,493.08 and 329,256.56

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Solution

The fourth proportional to 567,720.56, 783,493.08 and 329,256.56 is: 454,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,720.56 : 783,493.08 = 329,256.56 : x
  2. Step 2: Convert to fraction form
    567,720.56/783,493.08 = 329,256.56/x
  3. Step 3: Cross multiply
    567,720.56x = 783,493.08 × 329,256.56
  4. Step 4: Simplify right side
    567,720.56x = 257,970,236,304.61
  5. Step 5: Solve for x
    x = 257,970,236,304.61/567,720.56
  6. Step 6: Final answer
    x = 454,396.50

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1.5x scale

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.