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Finding the Fourth Proportional to 389,036.78, 537,025.38 and 334,372.58

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Solution

The fourth proportional to 389,036.78, 537,025.38 and 334,372.58 is: 461,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,036.78 : 537,025.38 = 334,372.58 : x
  2. Step 2: Convert to fraction form
    389,036.78/537,025.38 = 334,372.58/x
  3. Step 3: Cross multiply
    389,036.78x = 537,025.38 × 334,372.58
  4. Step 4: Simplify right side
    389,036.78x = 179,566,561,836.08
  5. Step 5: Solve for x
    x = 179,566,561,836.08/389,036.78
  6. Step 6: Final answer
    x = 461,567.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.