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Finding the Fourth Proportional to 236,381.55, 352,728.66 and 210,905.93

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Solution

The fourth proportional to 236,381.55, 352,728.66 and 210,905.93 is: 314,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,381.55 : 352,728.66 = 210,905.93 : x
  2. Step 2: Convert to fraction form
    236,381.55/352,728.66 = 210,905.93/x
  3. Step 3: Cross multiply
    236,381.55x = 352,728.66 × 210,905.93
  4. Step 4: Simplify right side
    236,381.55x = 74,392,564,311.31
  5. Step 5: Solve for x
    x = 74,392,564,311.31/236,381.55
  6. Step 6: Final answer
    x = 314,713.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.