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Finding the Fourth Proportional to 295,248.88, 407,461.08 and 223,515.28

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Solution

The fourth proportional to 295,248.88, 407,461.08 and 223,515.28 is: 308,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,248.88 : 407,461.08 = 223,515.28 : x
  2. Step 2: Convert to fraction form
    295,248.88/407,461.08 = 223,515.28/x
  3. Step 3: Cross multiply
    295,248.88x = 407,461.08 × 223,515.28
  4. Step 4: Simplify right side
    295,248.88x = 91,073,777,385.30
  5. Step 5: Solve for x
    x = 91,073,777,385.30/295,248.88
  6. Step 6: Final answer
    x = 308,464.43

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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.