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Finding the Fourth Proportional to 538,241.17, 806,807.26 and 238,862.74

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Solution

The fourth proportional to 538,241.17, 806,807.26 and 238,862.74 is: 358,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,241.17 : 806,807.26 = 238,862.74 : x
  2. Step 2: Convert to fraction form
    538,241.17/806,807.26 = 238,862.74/x
  3. Step 3: Cross multiply
    538,241.17x = 806,807.26 × 238,862.74
  4. Step 4: Simplify right side
    538,241.17x = 192,716,191,581.18
  5. Step 5: Solve for x
    x = 192,716,191,581.18/538,241.17
  6. Step 6: Final answer
    x = 358,048.03

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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.