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Finding the Fourth Proportional to 367,056.80, 550,909.20 and 217,109.60

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Solution

The fourth proportional to 367,056.80, 550,909.20 and 217,109.60 is: 325,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,056.80 : 550,909.20 = 217,109.60 : x
  2. Step 2: Convert to fraction form
    367,056.80/550,909.20 = 217,109.60/x
  3. Step 3: Cross multiply
    367,056.80x = 550,909.20 × 217,109.60
  4. Step 4: Simplify right side
    367,056.80x = 119,607,676,048.32
  5. Step 5: Solve for x
    x = 119,607,676,048.32/367,056.80
  6. Step 6: Final answer
    x = 325,856.04

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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.