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Finding the Fourth Proportional to 484,096.16, 668,061.28 and 269,236.32

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Solution

The fourth proportional to 484,096.16, 668,061.28 and 269,236.32 is: 371,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,096.16 : 668,061.28 = 269,236.32 : x
  2. Step 2: Convert to fraction form
    484,096.16/668,061.28 = 269,236.32/x
  3. Step 3: Cross multiply
    484,096.16x = 668,061.28 × 269,236.32
  4. Step 4: Simplify right side
    484,096.16x = 179,866,360,561.69
  5. Step 5: Solve for x
    x = 179,866,360,561.69/484,096.16
  6. Step 6: Final answer
    x = 371,550.89

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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.