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Finding the Fourth Proportional to 442,493.64, 610,640.10 and 241,289.64

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Solution

The fourth proportional to 442,493.64, 610,640.10 and 241,289.64 is: 332,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,493.64 : 610,640.10 = 241,289.64 : x
  2. Step 2: Convert to fraction form
    442,493.64/610,640.10 = 241,289.64/x
  3. Step 3: Cross multiply
    442,493.64x = 610,640.10 × 241,289.64
  4. Step 4: Simplify right side
    442,493.64x = 147,341,129,898.56
  5. Step 5: Solve for x
    x = 147,341,129,898.56/442,493.64
  6. Step 6: Final answer
    x = 332,979.09

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1.5x scale

Why These Related Problems?

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