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Finding the Fourth Proportional to 334,342.40, 501,511.84 and 81,624.24

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Solution

The fourth proportional to 334,342.40, 501,511.84 and 81,624.24 is: 122,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,342.40 : 501,511.84 = 81,624.24 : x
  2. Step 2: Convert to fraction form
    334,342.40/501,511.84 = 81,624.24/x
  3. Step 3: Cross multiply
    334,342.40x = 501,511.84 × 81,624.24
  4. Step 4: Simplify right side
    334,342.40x = 40,935,522,791.00
  5. Step 5: Solve for x
    x = 40,935,522,791.00/334,342.40
  6. Step 6: Final answer
    x = 122,435.93

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1.5x scale

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.