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Finding the Fourth Proportional to 294,808.30, 442,212.42 and 73,192.30

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Solution

The fourth proportional to 294,808.30, 442,212.42 and 73,192.30 is: 109,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,808.30 : 442,212.42 = 73,192.30 : x
  2. Step 2: Convert to fraction form
    294,808.30/442,212.42 = 73,192.30/x
  3. Step 3: Cross multiply
    294,808.30x = 442,212.42 × 73,192.30
  4. Step 4: Simplify right side
    294,808.30x = 32,366,544,108.37
  5. Step 5: Solve for x
    x = 32,366,544,108.37/294,808.30
  6. Step 6: Final answer
    x = 109,788.44

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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.