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Finding the Fourth Proportional to 578,937.92, 797,936.85 and 384,998.96

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Solution

The fourth proportional to 578,937.92, 797,936.85 and 384,998.96 is: 530,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,937.92 : 797,936.85 = 384,998.96 : x
  2. Step 2: Convert to fraction form
    578,937.92/797,936.85 = 384,998.96/x
  3. Step 3: Cross multiply
    578,937.92x = 797,936.85 × 384,998.96
  4. Step 4: Simplify right side
    578,937.92x = 307,204,859,390.52
  5. Step 5: Solve for x
    x = 307,204,859,390.52/578,937.92
  6. Step 6: Final answer
    x = 530,635.24

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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.