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Finding the Fourth Proportional to 375,047.60, 517,539.72 and 213,909.52

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Solution

The fourth proportional to 375,047.60, 517,539.72 and 213,909.52 is: 295,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,047.60 : 517,539.72 = 213,909.52 : x
  2. Step 2: Convert to fraction form
    375,047.60/517,539.72 = 213,909.52/x
  3. Step 3: Cross multiply
    375,047.60x = 517,539.72 × 213,909.52
  4. Step 4: Simplify right side
    375,047.60x = 110,706,673,086.13
  5. Step 5: Solve for x
    x = 110,706,673,086.13/375,047.60
  6. Step 6: Final answer
    x = 295,180.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.