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Finding the Fourth Proportional to 360,803.92, 497,901.94 and 199,658.86

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Solution

The fourth proportional to 360,803.92, 497,901.94 and 199,658.86 is: 275,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803.92 : 497,901.94 = 199,658.86 : x
  2. Step 2: Convert to fraction form
    360,803.92/497,901.94 = 199,658.86/x
  3. Step 3: Cross multiply
    360,803.92x = 497,901.94 × 199,658.86
  4. Step 4: Simplify right side
    360,803.92x = 99,410,533,732.19
  5. Step 5: Solve for x
    x = 99,410,533,732.19/360,803.92
  6. Step 6: Final answer
    x = 275,525.09

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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.