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Finding the Fourth Proportional to 270,385.16, 373,098.69 and 149,509.94

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Solution

The fourth proportional to 270,385.16, 373,098.69 and 149,509.94 is: 206,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,385.16 : 373,098.69 = 149,509.94 : x
  2. Step 2: Convert to fraction form
    270,385.16/373,098.69 = 149,509.94/x
  3. Step 3: Cross multiply
    270,385.16x = 373,098.69 × 149,509.94
  4. Step 4: Simplify right side
    270,385.16x = 55,781,960,890.49
  5. Step 5: Solve for x
    x = 55,781,960,890.49/270,385.16
  6. Step 6: Final answer
    x = 206,305.56

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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.