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Finding the Fourth Proportional to 370,189.56, 555,284.42 and 133,532.22

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Solution

The fourth proportional to 370,189.56, 555,284.42 and 133,532.22 is: 200,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,189.56 : 555,284.42 = 133,532.22 : x
  2. Step 2: Convert to fraction form
    370,189.56/555,284.42 = 133,532.22/x
  3. Step 3: Cross multiply
    370,189.56x = 555,284.42 × 133,532.22
  4. Step 4: Simplify right side
    370,189.56x = 74,148,361,334.01
  5. Step 5: Solve for x
    x = 74,148,361,334.01/370,189.56
  6. Step 6: Final answer
    x = 200,298.36

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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.