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Finding the Fourth Proportional to 293,209.80, 439,248.78 and 174,975.72

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Solution

The fourth proportional to 293,209.80, 439,248.78 and 174,975.72 is: 262,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,209.80 : 439,248.78 = 174,975.72 : x
  2. Step 2: Convert to fraction form
    293,209.80/439,248.78 = 174,975.72/x
  3. Step 3: Cross multiply
    293,209.80x = 439,248.78 × 174,975.72
  4. Step 4: Simplify right side
    293,209.80x = 76,857,871,539.62
  5. Step 5: Solve for x
    x = 76,857,871,539.62/293,209.80
  6. Step 6: Final answer
    x = 262,125.86

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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.