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Finding the Fourth Proportional to 299,103.68, 448,079.70 and 235,587.80

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Solution

The fourth proportional to 299,103.68, 448,079.70 and 235,587.80 is: 352,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,103.68 : 448,079.70 = 235,587.80 : x
  2. Step 2: Convert to fraction form
    299,103.68/448,079.70 = 235,587.80/x
  3. Step 3: Cross multiply
    299,103.68x = 448,079.70 × 235,587.80
  4. Step 4: Simplify right side
    299,103.68x = 105,562,110,747.66
  5. Step 5: Solve for x
    x = 105,562,110,747.66/299,103.68
  6. Step 6: Final answer
    x = 352,928.16

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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.