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Finding the Fourth Proportional to 362,792.64, 500,449.51 and 217,559.74

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Solution

The fourth proportional to 362,792.64, 500,449.51 and 217,559.74 is: 300,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,792.64 : 500,449.51 = 217,559.74 : x
  2. Step 2: Convert to fraction form
    362,792.64/500,449.51 = 217,559.74/x
  3. Step 3: Cross multiply
    362,792.64x = 500,449.51 × 217,559.74
  4. Step 4: Simplify right side
    362,792.64x = 108,877,665,278.73
  5. Step 5: Solve for x
    x = 108,877,665,278.73/362,792.64
  6. Step 6: Final answer
    x = 300,109.91

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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.