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Finding the Fourth Proportional to 385,889.71, 532,546.78 and 232,925.46

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Solution

The fourth proportional to 385,889.71, 532,546.78 and 232,925.46 is: 321,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,889.71 : 532,546.78 = 232,925.46 : x
  2. Step 2: Convert to fraction form
    385,889.71/532,546.78 = 232,925.46/x
  3. Step 3: Cross multiply
    385,889.71x = 532,546.78 × 232,925.46
  4. Step 4: Simplify right side
    385,889.71x = 124,043,701,040.29
  5. Step 5: Solve for x
    x = 124,043,701,040.29/385,889.71
  6. Step 6: Final answer
    x = 321,448.59

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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.