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Finding the Fourth Proportional to 351,049.92, 484,377.28 and 207,738.24

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Solution

The fourth proportional to 351,049.92, 484,377.28 and 207,738.24 is: 286,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,049.92 : 484,377.28 = 207,738.24 : x
  2. Step 2: Convert to fraction form
    351,049.92/484,377.28 = 207,738.24/x
  3. Step 3: Cross multiply
    351,049.92x = 484,377.28 × 207,738.24
  4. Step 4: Simplify right side
    351,049.92x = 100,623,683,643.19
  5. Step 5: Solve for x
    x = 100,623,683,643.19/351,049.92
  6. Step 6: Final answer
    x = 286,636.40

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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.