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Finding the Fourth Proportional to 540,139.10, 745,601.94 and 483,452.06

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Solution

The fourth proportional to 540,139.10, 745,601.94 and 483,452.06 is: 667,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,139.10 : 745,601.94 = 483,452.06 : x
  2. Step 2: Convert to fraction form
    540,139.10/745,601.94 = 483,452.06/x
  3. Step 3: Cross multiply
    540,139.10x = 745,601.94 × 483,452.06
  4. Step 4: Simplify right side
    540,139.10x = 360,462,793,833.00
  5. Step 5: Solve for x
    x = 360,462,793,833.00/540,139.10
  6. Step 6: Final answer
    x = 667,351.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.