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Finding the Fourth Proportional to 585,760.18, 877,636.27 and 393,274.10

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Solution

The fourth proportional to 585,760.18, 877,636.27 and 393,274.10 is: 589,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,760.18 : 877,636.27 = 393,274.10 : x
  2. Step 2: Convert to fraction form
    585,760.18/877,636.27 = 393,274.10/x
  3. Step 3: Cross multiply
    585,760.18x = 877,636.27 × 393,274.10
  4. Step 4: Simplify right side
    585,760.18x = 345,151,614,211.61
  5. Step 5: Solve for x
    x = 345,151,614,211.61/585,760.18
  6. Step 6: Final answer
    x = 589,237.07

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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.