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Finding the Fourth Proportional to 382,322.40, 573,337.80 and 115,994.40

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Solution

The fourth proportional to 382,322.40, 573,337.80 and 115,994.40 is: 173,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,322.40 : 573,337.80 = 115,994.40 : x
  2. Step 2: Convert to fraction form
    382,322.40/573,337.80 = 115,994.40/x
  3. Step 3: Cross multiply
    382,322.40x = 573,337.80 × 115,994.40
  4. Step 4: Simplify right side
    382,322.40x = 66,503,974,108.32
  5. Step 5: Solve for x
    x = 66,503,974,108.32/382,322.40
  6. Step 6: Final answer
    x = 173,947.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.