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Finding the Fourth Proportional to 484,429.53, 668,503.90 and 269,567.72

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Solution

The fourth proportional to 484,429.53, 668,503.90 and 269,567.72 is: 371,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,429.53 : 668,503.90 = 269,567.72 : x
  2. Step 2: Convert to fraction form
    484,429.53/668,503.90 = 269,567.72/x
  3. Step 3: Cross multiply
    484,429.53x = 668,503.90 × 269,567.72
  4. Step 4: Simplify right side
    484,429.53x = 180,207,072,134.11
  5. Step 5: Solve for x
    x = 180,207,072,134.11/484,429.53
  6. Step 6: Final answer
    x = 371,998.53

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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.