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Finding the Fourth Proportional to 529,616.97, 730,898.10 and 325,679.22

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Solution

The fourth proportional to 529,616.97, 730,898.10 and 325,679.22 is: 449,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,616.97 : 730,898.10 = 325,679.22 : x
  2. Step 2: Convert to fraction form
    529,616.97/730,898.10 = 325,679.22/x
  3. Step 3: Cross multiply
    529,616.97x = 730,898.10 × 325,679.22
  4. Step 4: Simplify right side
    529,616.97x = 238,038,323,107.48
  5. Step 5: Solve for x
    x = 238,038,323,107.48/529,616.97
  6. Step 6: Final answer
    x = 449,453.73

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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.