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Finding the Fourth Proportional to 300,827.52, 451,241.28 and 153,187.20

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Solution

The fourth proportional to 300,827.52, 451,241.28 and 153,187.20 is: 229,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,827.52 : 451,241.28 = 153,187.20 : x
  2. Step 2: Convert to fraction form
    300,827.52/451,241.28 = 153,187.20/x
  3. Step 3: Cross multiply
    300,827.52x = 451,241.28 × 153,187.20
  4. Step 4: Simplify right side
    300,827.52x = 69,124,388,207.62
  5. Step 5: Solve for x
    x = 69,124,388,207.62/300,827.52
  6. Step 6: Final answer
    x = 229,780.80

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1.5x scale

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.