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Finding the Fourth Proportional to 349,654.32, 524,628.99 and 223,436.88

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Solution

The fourth proportional to 349,654.32, 524,628.99 and 223,436.88 is: 335,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,654.32 : 524,628.99 = 223,436.88 : x
  2. Step 2: Convert to fraction form
    349,654.32/524,628.99 = 223,436.88/x
  3. Step 3: Cross multiply
    349,654.32x = 524,628.99 × 223,436.88
  4. Step 4: Simplify right side
    349,654.32x = 117,221,464,683.15
  5. Step 5: Solve for x
    x = 117,221,464,683.15/349,654.32
  6. Step 6: Final answer
    x = 335,249.58

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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.