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Finding the Fourth Proportional to 293,985.88, 440,388.28 and 248,813.40

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Solution

The fourth proportional to 293,985.88, 440,388.28 and 248,813.40 is: 372,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,985.88 : 440,388.28 = 248,813.40 : x
  2. Step 2: Convert to fraction form
    293,985.88/440,388.28 = 248,813.40/x
  3. Step 3: Cross multiply
    293,985.88x = 440,388.28 × 248,813.40
  4. Step 4: Simplify right side
    293,985.88x = 109,574,503,065.01
  5. Step 5: Solve for x
    x = 109,574,503,065.01/293,985.88
  6. Step 6: Final answer
    x = 372,720.29

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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.