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Finding the Fourth Proportional to 427,560.31, 590,045.48 and 236,591.47

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Solution

The fourth proportional to 427,560.31, 590,045.48 and 236,591.47 is: 326,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,560.31 : 590,045.48 = 236,591.47 : x
  2. Step 2: Convert to fraction form
    427,560.31/590,045.48 = 236,591.47/x
  3. Step 3: Cross multiply
    427,560.31x = 590,045.48 × 236,591.47
  4. Step 4: Simplify right side
    427,560.31x = 139,599,727,480.06
  5. Step 5: Solve for x
    x = 139,599,727,480.06/427,560.31
  6. Step 6: Final answer
    x = 326,503.01

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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.