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Finding the Fourth Proportional to 306,593.56, 423,119.03 and 170,627.12

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Solution

The fourth proportional to 306,593.56, 423,119.03 and 170,627.12 is: 235,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,593.56 : 423,119.03 = 170,627.12 : x
  2. Step 2: Convert to fraction form
    306,593.56/423,119.03 = 170,627.12/x
  3. Step 3: Cross multiply
    306,593.56x = 423,119.03 × 170,627.12
  4. Step 4: Simplify right side
    306,593.56x = 72,195,581,506.09
  5. Step 5: Solve for x
    x = 72,195,581,506.09/306,593.56
  6. Step 6: Final answer
    x = 235,476.51

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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.