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Finding the Fourth Proportional to 228,502.46, 315,935.35 and 200,126.81

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Solution

The fourth proportional to 228,502.46, 315,935.35 and 200,126.81 is: 276,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,502.46 : 315,935.35 = 200,126.81 : x
  2. Step 2: Convert to fraction form
    228,502.46/315,935.35 = 200,126.81/x
  3. Step 3: Cross multiply
    228,502.46x = 315,935.35 × 200,126.81
  4. Step 4: Simplify right side
    228,502.46x = 63,227,134,051.25
  5. Step 5: Solve for x
    x = 63,227,134,051.25/228,502.46
  6. Step 6: Final answer
    x = 276,702.20

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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.