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Finding the Fourth Proportional to 314,294.11, 433,735.09 and 171,063.43

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Solution

The fourth proportional to 314,294.11, 433,735.09 and 171,063.43 is: 236,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,294.11 : 433,735.09 = 171,063.43 : x
  2. Step 2: Convert to fraction form
    314,294.11/433,735.09 = 171,063.43/x
  3. Step 3: Cross multiply
    314,294.11x = 433,735.09 × 171,063.43
  4. Step 4: Simplify right side
    314,294.11x = 74,196,210,694.76
  5. Step 5: Solve for x
    x = 74,196,210,694.76/314,294.11
  6. Step 6: Final answer
    x = 236,072.55

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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.