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Finding the Fourth Proportional to 367,327.36, 550,776.96 and 142,425.06

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Solution

The fourth proportional to 367,327.36, 550,776.96 and 142,425.06 is: 213,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,327.36 : 550,776.96 = 142,425.06 : x
  2. Step 2: Convert to fraction form
    367,327.36/550,776.96 = 142,425.06/x
  3. Step 3: Cross multiply
    367,327.36x = 550,776.96 × 142,425.06
  4. Step 4: Simplify right side
    367,327.36x = 78,444,441,574.62
  5. Step 5: Solve for x
    x = 78,444,441,574.62/367,327.36
  6. Step 6: Final answer
    x = 213,554.58

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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.