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Finding the Fourth Proportional to 539,305.56, 744,108.84 and 329,700.60

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Solution

The fourth proportional to 539,305.56, 744,108.84 and 329,700.60 is: 454,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,305.56 : 744,108.84 = 329,700.60 : x
  2. Step 2: Convert to fraction form
    539,305.56/744,108.84 = 329,700.60/x
  3. Step 3: Cross multiply
    539,305.56x = 744,108.84 × 329,700.60
  4. Step 4: Simplify right side
    539,305.56x = 245,333,131,013.30
  5. Step 5: Solve for x
    x = 245,333,131,013.30/539,305.56
  6. Step 6: Final answer
    x = 454,905.62

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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.