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Finding the Fourth Proportional to 350,927.20, 484,274.64 and 200,026.72

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Solution

The fourth proportional to 350,927.20, 484,274.64 and 200,026.72 is: 276,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,927.20 : 484,274.64 = 200,026.72 : x
  2. Step 2: Convert to fraction form
    350,927.20/484,274.64 = 200,026.72/x
  3. Step 3: Cross multiply
    350,927.20x = 484,274.64 × 200,026.72
  4. Step 4: Simplify right side
    350,927.20x = 96,867,867,818.38
  5. Step 5: Solve for x
    x = 96,867,867,818.38/350,927.20
  6. Step 6: Final answer
    x = 276,034.08

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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.