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Finding the Fourth Proportional to 303,074.16, 418,244.44 and 167,113.20

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Solution

The fourth proportional to 303,074.16, 418,244.44 and 167,113.20 is: 230,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,074.16 : 418,244.44 = 167,113.20 : x
  2. Step 2: Convert to fraction form
    303,074.16/418,244.44 = 167,113.20/x
  3. Step 3: Cross multiply
    303,074.16x = 418,244.44 × 167,113.20
  4. Step 4: Simplify right side
    303,074.16x = 69,894,166,750.61
  5. Step 5: Solve for x
    x = 69,894,166,750.61/303,074.16
  6. Step 6: Final answer
    x = 230,617.37

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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.