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Finding the Fourth Proportional to 583,761.60, 805,589.69 and 329,110.97

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Solution

The fourth proportional to 583,761.60, 805,589.69 and 329,110.97 is: 454,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,761.60 : 805,589.69 = 329,110.97 : x
  2. Step 2: Convert to fraction form
    583,761.60/805,589.69 = 329,110.97/x
  3. Step 3: Cross multiply
    583,761.60x = 805,589.69 × 329,110.97
  4. Step 4: Simplify right side
    583,761.60x = 265,128,398,624.40
  5. Step 5: Solve for x
    x = 265,128,398,624.40/583,761.60
  6. Step 6: Final answer
    x = 454,172.39

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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.