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Finding the Fourth Proportional to 235,665.84, 354,089.28 and 221,494.08

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Solution

The fourth proportional to 235,665.84, 354,089.28 and 221,494.08 is: 332,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,665.84 : 354,089.28 = 221,494.08 : x
  2. Step 2: Convert to fraction form
    235,665.84/354,089.28 = 221,494.08/x
  3. Step 3: Cross multiply
    235,665.84x = 354,089.28 × 221,494.08
  4. Step 4: Simplify right side
    235,665.84x = 78,428,679,311.46
  5. Step 5: Solve for x
    x = 78,428,679,311.46/235,665.84
  6. Step 6: Final answer
    x = 332,796.13

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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.