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Finding the Fourth Proportional to 506,814.25, 759,614.67 and 236,578.81

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Solution

The fourth proportional to 506,814.25, 759,614.67 and 236,578.81 is: 354,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,814.25 : 759,614.67 = 236,578.81 : x
  2. Step 2: Convert to fraction form
    506,814.25/759,614.67 = 236,578.81/x
  3. Step 3: Cross multiply
    506,814.25x = 759,614.67 × 236,578.81
  4. Step 4: Simplify right side
    506,814.25x = 179,708,734,687.14
  5. Step 5: Solve for x
    x = 179,708,734,687.14/506,814.25
  6. Step 6: Final answer
    x = 354,585.01

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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.