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Finding the Fourth Proportional to 303,588.98, 418,931.16 and 167,600.96

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Solution

The fourth proportional to 303,588.98, 418,931.16 and 167,600.96 is: 231,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,588.98 : 418,931.16 = 167,600.96 : x
  2. Step 2: Convert to fraction form
    303,588.98/418,931.16 = 167,600.96/x
  3. Step 3: Cross multiply
    303,588.98x = 418,931.16 × 167,600.96
  4. Step 4: Simplify right side
    303,588.98x = 70,213,264,589.91
  5. Step 5: Solve for x
    x = 70,213,264,589.91/303,588.98
  6. Step 6: Final answer
    x = 231,277.38

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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.