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Finding the Fourth Proportional to 427,666.84, 590,170.86 and 234,073.56

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Solution

The fourth proportional to 427,666.84, 590,170.86 and 234,073.56 is: 323,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,666.84 : 590,170.86 = 234,073.56 : x
  2. Step 2: Convert to fraction form
    427,666.84/590,170.86 = 234,073.56/x
  3. Step 3: Cross multiply
    427,666.84x = 590,170.86 × 234,073.56
  4. Step 4: Simplify right side
    427,666.84x = 138,143,394,208.46
  5. Step 5: Solve for x
    x = 138,143,394,208.46/427,666.84
  6. Step 6: Final answer
    x = 323,016.38

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1.5x scale

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.