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Finding the Fourth Proportional to 673,037.91, 928,727.78 and 371,212.47

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Solution

The fourth proportional to 673,037.91, 928,727.78 and 371,212.47 is: 512,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,037.91 : 928,727.78 = 371,212.47 : x
  2. Step 2: Convert to fraction form
    673,037.91/928,727.78 = 371,212.47/x
  3. Step 3: Cross multiply
    673,037.91x = 928,727.78 × 371,212.47
  4. Step 4: Simplify right side
    673,037.91x = 344,755,331,315.35
  5. Step 5: Solve for x
    x = 344,755,331,315.35/673,037.91
  6. Step 6: Final answer
    x = 512,237.61

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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.