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Finding the Fourth Proportional to 431,956.36, 596,218.34 and 250,726.67

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Solution

The fourth proportional to 431,956.36, 596,218.34 and 250,726.67 is: 346,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,956.36 : 596,218.34 = 250,726.67 : x
  2. Step 2: Convert to fraction form
    431,956.36/596,218.34 = 250,726.67/x
  3. Step 3: Cross multiply
    431,956.36x = 596,218.34 × 250,726.67
  4. Step 4: Simplify right side
    431,956.36x = 149,487,840,806.06
  5. Step 5: Solve for x
    x = 149,487,840,806.06/431,956.36
  6. Step 6: Final answer
    x = 346,071.63

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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.