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Finding the Fourth Proportional to 303,479.46, 418,801.70 and 167,513.44

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Solution

The fourth proportional to 303,479.46, 418,801.70 and 167,513.44 is: 231,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,479.46 : 418,801.70 = 167,513.44 : x
  2. Step 2: Convert to fraction form
    303,479.46/418,801.70 = 167,513.44/x
  3. Step 3: Cross multiply
    303,479.46x = 418,801.70 × 167,513.44
  4. Step 4: Simplify right side
    303,479.46x = 70,154,913,444.85
  5. Step 5: Solve for x
    x = 70,154,913,444.85/303,479.46
  6. Step 6: Final answer
    x = 231,168.57

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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.