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Finding the Fourth Proportional to 585,668.25, 878,510.04 and 159,225.12

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Solution

The fourth proportional to 585,668.25, 878,510.04 and 159,225.12 is: 238,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,668.25 : 878,510.04 = 159,225.12 : x
  2. Step 2: Convert to fraction form
    585,668.25/878,510.04 = 159,225.12/x
  3. Step 3: Cross multiply
    585,668.25x = 878,510.04 × 159,225.12
  4. Step 4: Simplify right side
    585,668.25x = 139,880,866,540.21
  5. Step 5: Solve for x
    x = 139,880,866,540.21/585,668.25
  6. Step 6: Final answer
    x = 238,839.76

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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.