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Finding the Fourth Proportional to 514,909.81, 771,359.20 and 244,653.33

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Solution

The fourth proportional to 514,909.81, 771,359.20 and 244,653.33 is: 366,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,909.81 : 771,359.20 = 244,653.33 : x
  2. Step 2: Convert to fraction form
    514,909.81/771,359.20 = 244,653.33/x
  3. Step 3: Cross multiply
    514,909.81x = 771,359.20 × 244,653.33
  4. Step 4: Simplify right side
    514,909.81x = 188,715,596,906.14
  5. Step 5: Solve for x
    x = 188,715,596,906.14/514,909.81
  6. Step 6: Final answer
    x = 366,502.24

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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.