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Finding the Fourth Proportional to 617,086.29, 851,567.81 and 348,814.29

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Solution

The fourth proportional to 617,086.29, 851,567.81 and 348,814.29 is: 481,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,086.29 : 851,567.81 = 348,814.29 : x
  2. Step 2: Convert to fraction form
    617,086.29/851,567.81 = 348,814.29/x
  3. Step 3: Cross multiply
    617,086.29x = 851,567.81 × 348,814.29
  4. Step 4: Simplify right side
    617,086.29x = 297,039,019,287.93
  5. Step 5: Solve for x
    x = 297,039,019,287.93/617,086.29
  6. Step 6: Final answer
    x = 481,357.35

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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.