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Finding the Fourth Proportional to 497,028.20, 745,542.30 and 123,051.20

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Solution

The fourth proportional to 497,028.20, 745,542.30 and 123,051.20 is: 184,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,028.20 : 745,542.30 = 123,051.20 : x
  2. Step 2: Convert to fraction form
    497,028.20/745,542.30 = 123,051.20/x
  3. Step 3: Cross multiply
    497,028.20x = 745,542.30 × 123,051.20
  4. Step 4: Simplify right side
    497,028.20x = 91,739,870,938.05
  5. Step 5: Solve for x
    x = 91,739,870,938.05/497,028.20
  6. Step 6: Final answer
    x = 184,576.79

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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.