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Finding the Fourth Proportional to 285,214.73, 393,578.39 and 167,375.93

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Solution

The fourth proportional to 285,214.73, 393,578.39 and 167,375.93 is: 230,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,214.73 : 393,578.39 = 167,375.93 : x
  2. Step 2: Convert to fraction form
    285,214.73/393,578.39 = 167,375.93/x
  3. Step 3: Cross multiply
    285,214.73x = 393,578.39 × 167,375.93
  4. Step 4: Simplify right side
    285,214.73x = 65,875,547,504.70
  5. Step 5: Solve for x
    x = 65,875,547,504.70/285,214.73
  6. Step 6: Final answer
    x = 230,968.26

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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.