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Finding the Fourth Proportional to 577,949.10, 866,340.45 and 262,632.30

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Solution

The fourth proportional to 577,949.10, 866,340.45 and 262,632.30 is: 393,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,949.10 : 866,340.45 = 262,632.30 : x
  2. Step 2: Convert to fraction form
    577,949.10/866,340.45 = 262,632.30/x
  3. Step 3: Cross multiply
    577,949.10x = 866,340.45 × 262,632.30
  4. Step 4: Simplify right side
    577,949.10x = 227,528,984,966.54
  5. Step 5: Solve for x
    x = 227,528,984,966.54/577,949.10
  6. Step 6: Final answer
    x = 393,683.43

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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.