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Finding the Fourth Proportional to 335,750.40, 503,625.60 and 187,987.20

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Solution

The fourth proportional to 335,750.40, 503,625.60 and 187,987.20 is: 281,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,750.40 : 503,625.60 = 187,987.20 : x
  2. Step 2: Convert to fraction form
    335,750.40/503,625.60 = 187,987.20/x
  3. Step 3: Cross multiply
    335,750.40x = 503,625.60 × 187,987.20
  4. Step 4: Simplify right side
    335,750.40x = 94,675,166,392.32
  5. Step 5: Solve for x
    x = 94,675,166,392.32/335,750.40
  6. Step 6: Final answer
    x = 281,980.80

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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.