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Finding the Fourth Proportional to 484,087.41, 668,025.50 and 266,295.02

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Solution

The fourth proportional to 484,087.41, 668,025.50 and 266,295.02 is: 367,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,087.41 : 668,025.50 = 266,295.02 : x
  2. Step 2: Convert to fraction form
    484,087.41/668,025.50 = 266,295.02/x
  3. Step 3: Cross multiply
    484,087.41x = 668,025.50 × 266,295.02
  4. Step 4: Simplify right side
    484,087.41x = 177,891,859,211.41
  5. Step 5: Solve for x
    x = 177,891,859,211.41/484,087.41
  6. Step 6: Final answer
    x = 367,478.80

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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.