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Finding the Fourth Proportional to 292,008.80, 437,138.40 and 173,619.20

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Solution

The fourth proportional to 292,008.80, 437,138.40 and 173,619.20 is: 259,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,008.80 : 437,138.40 = 173,619.20 : x
  2. Step 2: Convert to fraction form
    292,008.80/437,138.40 = 173,619.20/x
  3. Step 3: Cross multiply
    292,008.80x = 437,138.40 × 173,619.20
  4. Step 4: Simplify right side
    292,008.80x = 75,895,619,297.28
  5. Step 5: Solve for x
    x = 75,895,619,297.28/292,008.80
  6. Step 6: Final answer
    x = 259,908.67

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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.