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Finding the Fourth Proportional to 302,838.55, 453,724.67 and 269,852.18

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Solution

The fourth proportional to 302,838.55, 453,724.67 and 269,852.18 is: 404,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,838.55 : 453,724.67 = 269,852.18 : x
  2. Step 2: Convert to fraction form
    302,838.55/453,724.67 = 269,852.18/x
  3. Step 3: Cross multiply
    302,838.55x = 453,724.67 × 269,852.18
  4. Step 4: Simplify right side
    302,838.55x = 122,438,589,725.29
  5. Step 5: Solve for x
    x = 122,438,589,725.29/302,838.55
  6. Step 6: Final answer
    x = 404,303.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.