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Finding the Fourth Proportional to 331,064.76, 456,837.76 and 185,837.28

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Solution

The fourth proportional to 331,064.76, 456,837.76 and 185,837.28 is: 256,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,064.76 : 456,837.76 = 185,837.28 : x
  2. Step 2: Convert to fraction form
    331,064.76/456,837.76 = 185,837.28/x
  3. Step 3: Cross multiply
    331,064.76x = 456,837.76 × 185,837.28
  4. Step 4: Simplify right side
    331,064.76x = 84,897,486,719.69
  5. Step 5: Solve for x
    x = 84,897,486,719.69/331,064.76
  6. Step 6: Final answer
    x = 256,437.70

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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.