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Finding the Fourth Proportional to 507,574.13, 700,452.20 and 303,633.65

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Solution

The fourth proportional to 507,574.13, 700,452.20 and 303,633.65 is: 419,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,574.13 : 700,452.20 = 303,633.65 : x
  2. Step 2: Convert to fraction form
    507,574.13/700,452.20 = 303,633.65/x
  3. Step 3: Cross multiply
    507,574.13x = 700,452.20 × 303,633.65
  4. Step 4: Simplify right side
    507,574.13x = 212,680,853,116.10
  5. Step 5: Solve for x
    x = 212,680,853,116.10/507,574.13
  6. Step 6: Final answer
    x = 419,014.37

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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.