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Finding the Fourth Proportional to 668,164.50, 1,002,305.16 and 169,528.50

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Solution

The fourth proportional to 668,164.50, 1,002,305.16 and 169,528.50 is: 254,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,164.50 : 1,002,305.16 = 169,528.50 : x
  2. Step 2: Convert to fraction form
    668,164.50/1,002,305.16 = 169,528.50/x
  3. Step 3: Cross multiply
    668,164.50x = 1,002,305.16 × 169,528.50
  4. Step 4: Simplify right side
    668,164.50x = 169,919,290,317.06
  5. Step 5: Solve for x
    x = 169,919,290,317.06/668,164.50
  6. Step 6: Final answer
    x = 254,307.57

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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.