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Finding the Fourth Proportional to 484,508.88, 668,622.25 and 269,699.69

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Solution

The fourth proportional to 484,508.88, 668,622.25 and 269,699.69 is: 372,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,508.88 : 668,622.25 = 269,699.69 : x
  2. Step 2: Convert to fraction form
    484,508.88/668,622.25 = 269,699.69/x
  3. Step 3: Cross multiply
    484,508.88x = 668,622.25 × 269,699.69
  4. Step 4: Simplify right side
    484,508.88x = 180,327,209,534.74
  5. Step 5: Solve for x
    x = 180,327,209,534.74/484,508.88
  6. Step 6: Final answer
    x = 372,185.57

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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.