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Finding the Fourth Proportional to 587,259.66, 881,020.51 and 187,924.40

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Solution

The fourth proportional to 587,259.66, 881,020.51 and 187,924.40 is: 281,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,259.66 : 881,020.51 = 187,924.40 : x
  2. Step 2: Convert to fraction form
    587,259.66/881,020.51 = 187,924.40/x
  3. Step 3: Cross multiply
    587,259.66x = 881,020.51 × 187,924.40
  4. Step 4: Simplify right side
    587,259.66x = 165,565,250,729.44
  5. Step 5: Solve for x
    x = 165,565,250,729.44/587,259.66
  6. Step 6: Final answer
    x = 281,928.53

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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.