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Finding the Fourth Proportional to 303,335.40, 418,600.08 and 167,370.60

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Solution

The fourth proportional to 303,335.40, 418,600.08 and 167,370.60 is: 230,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,335.40 : 418,600.08 = 167,370.60 : x
  2. Step 2: Convert to fraction form
    303,335.40/418,600.08 = 167,370.60/x
  3. Step 3: Cross multiply
    303,335.40x = 418,600.08 × 167,370.60
  4. Step 4: Simplify right side
    303,335.40x = 70,061,346,549.65
  5. Step 5: Solve for x
    x = 70,061,346,549.65/303,335.40
  6. Step 6: Final answer
    x = 230,969.90

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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.