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Finding the Fourth Proportional to 484,181.02, 668,143.31 and 266,385.59

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Solution

The fourth proportional to 484,181.02, 668,143.31 and 266,385.59 is: 367,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,181.02 : 668,143.31 = 266,385.59 : x
  2. Step 2: Convert to fraction form
    484,181.02/668,143.31 = 266,385.59/x
  3. Step 3: Cross multiply
    484,181.02x = 668,143.31 × 266,385.59
  4. Step 4: Simplify right side
    484,181.02x = 177,983,745,166.26
  5. Step 5: Solve for x
    x = 177,983,745,166.26/484,181.02
  6. Step 6: Final answer
    x = 367,597.53

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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.