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Finding the Fourth Proportional to 461,956.56, 691,656.66 and 236,831.64

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Solution

The fourth proportional to 461,956.56, 691,656.66 and 236,831.64 is: 354,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,956.56 : 691,656.66 = 236,831.64 : x
  2. Step 2: Convert to fraction form
    461,956.56/691,656.66 = 236,831.64/x
  3. Step 3: Cross multiply
    461,956.56x = 691,656.66 × 236,831.64
  4. Step 4: Simplify right side
    461,956.56x = 163,806,181,104.72
  5. Step 5: Solve for x
    x = 163,806,181,104.72/461,956.56
  6. Step 6: Final answer
    x = 354,592.17

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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.