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Finding the Fourth Proportional to 334,539, 501,808.50 and 112,923

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Solution

The fourth proportional to 334,539, 501,808.50 and 112,923 is: 169,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,539 : 501,808.50 = 112,923 : x
  2. Step 2: Convert to fraction form
    334,539/501,808.50 = 112,923/x
  3. Step 3: Cross multiply
    334,539x = 501,808.50 × 112,923
  4. Step 4: Simplify right side
    334,539x = 56,665,721,245.50
  5. Step 5: Solve for x
    x = 56,665,721,245.50/334,539
  6. Step 6: Final answer
    x = 169,384.50

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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.