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Finding the Fourth Proportional to 362,650.77, 500,381.96 and 219,421.71

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Solution

The fourth proportional to 362,650.77, 500,381.96 and 219,421.71 is: 302,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,650.77 : 500,381.96 = 219,421.71 : x
  2. Step 2: Convert to fraction form
    362,650.77/500,381.96 = 219,421.71/x
  3. Step 3: Cross multiply
    362,650.77x = 500,381.96 × 219,421.71
  4. Step 4: Simplify right side
    362,650.77x = 109,794,664,219.24
  5. Step 5: Solve for x
    x = 109,794,664,219.24/362,650.77
  6. Step 6: Final answer
    x = 302,755.91

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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.