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Finding the Fourth Proportional to 587,699.64, 881,559.18 and 166,959.72

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Solution

The fourth proportional to 587,699.64, 881,559.18 and 166,959.72 is: 250,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,699.64 : 881,559.18 = 166,959.72 : x
  2. Step 2: Convert to fraction form
    587,699.64/881,559.18 = 166,959.72/x
  3. Step 3: Cross multiply
    587,699.64x = 881,559.18 × 166,959.72
  4. Step 4: Simplify right side
    587,699.64x = 147,184,873,856.23
  5. Step 5: Solve for x
    x = 147,184,873,856.23/587,699.64
  6. Step 6: Final answer
    x = 250,442.34

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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.