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Finding the Fourth Proportional to 524,005.20, 786,007.80 and 150,028.20

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Solution

The fourth proportional to 524,005.20, 786,007.80 and 150,028.20 is: 225,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,005.20 : 786,007.80 = 150,028.20 : x
  2. Step 2: Convert to fraction form
    524,005.20/786,007.80 = 150,028.20/x
  3. Step 3: Cross multiply
    524,005.20x = 786,007.80 × 150,028.20
  4. Step 4: Simplify right side
    524,005.20x = 117,923,335,419.96
  5. Step 5: Solve for x
    x = 117,923,335,419.96/524,005.20
  6. Step 6: Final answer
    x = 225,042.30

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Similar ratio
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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.