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Finding the Fourth Proportional to 303,528.13, 418,872.21 and 167,562.16

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Solution

The fourth proportional to 303,528.13, 418,872.21 and 167,562.16 is: 231,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,528.13 : 418,872.21 = 167,562.16 : x
  2. Step 2: Convert to fraction form
    303,528.13/418,872.21 = 167,562.16/x
  3. Step 3: Cross multiply
    303,528.13x = 418,872.21 × 167,562.16
  4. Step 4: Simplify right side
    303,528.13x = 70,187,132,271.57
  5. Step 5: Solve for x
    x = 70,187,132,271.57/303,528.13
  6. Step 6: Final answer
    x = 231,237.65

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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.