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Finding the Fourth Proportional to 585,885.27, 878,925.29 and 201,618.78

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Solution

The fourth proportional to 585,885.27, 878,925.29 and 201,618.78 is: 302,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,885.27 : 878,925.29 = 201,618.78 : x
  2. Step 2: Convert to fraction form
    585,885.27/878,925.29 = 201,618.78/x
  3. Step 3: Cross multiply
    585,885.27x = 878,925.29 × 201,618.78
  4. Step 4: Simplify right side
    585,885.27x = 177,207,844,680.95
  5. Step 5: Solve for x
    x = 177,207,844,680.95/585,885.27
  6. Step 6: Final answer
    x = 302,461.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.