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Finding the Fourth Proportional to 539,244.02, 744,024.06 and 329,638.97

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Solution

The fourth proportional to 539,244.02, 744,024.06 and 329,638.97 is: 454,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,244.02 : 744,024.06 = 329,638.97 : x
  2. Step 2: Convert to fraction form
    539,244.02/744,024.06 = 329,638.97/x
  3. Step 3: Cross multiply
    539,244.02x = 744,024.06 × 329,638.97
  4. Step 4: Simplify right side
    539,244.02x = 245,259,321,073.50
  5. Step 5: Solve for x
    x = 245,259,321,073.50/539,244.02
  6. Step 6: Final answer
    x = 454,820.66

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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.