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Finding the Fourth Proportional to 323,141.70, 484,933.97 and 112,779.64

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Solution

The fourth proportional to 323,141.70, 484,933.97 and 112,779.64 is: 169,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,141.70 : 484,933.97 = 112,779.64 : x
  2. Step 2: Convert to fraction form
    323,141.70/484,933.97 = 112,779.64/x
  3. Step 3: Cross multiply
    323,141.70x = 484,933.97 × 112,779.64
  4. Step 4: Simplify right side
    323,141.70x = 54,690,679,448.49
  5. Step 5: Solve for x
    x = 54,690,679,448.49/323,141.70
  6. Step 6: Final answer
    x = 169,246.74

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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.