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Finding the Fourth Proportional to 587,447.44, 881,172 and 144,215.44

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Solution

The fourth proportional to 587,447.44, 881,172 and 144,215.44 is: 216,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,447.44 : 881,172 = 144,215.44 : x
  2. Step 2: Convert to fraction form
    587,447.44/881,172 = 144,215.44/x
  3. Step 3: Cross multiply
    587,447.44x = 881,172 × 144,215.44
  4. Step 4: Simplify right side
    587,447.44x = 127,078,607,695.68
  5. Step 5: Solve for x
    x = 127,078,607,695.68/587,447.44
  6. Step 6: Final answer
    x = 216,323.37

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1.5x scale

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.