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Finding the Fourth Proportional to 362,679.53, 500,543.76 and 219,440.75

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Solution

The fourth proportional to 362,679.53, 500,543.76 and 219,440.75 is: 302,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,679.53 : 500,543.76 = 219,440.75 : x
  2. Step 2: Convert to fraction form
    362,679.53/500,543.76 = 219,440.75/x
  3. Step 3: Cross multiply
    362,679.53x = 500,543.76 × 219,440.75
  4. Step 4: Simplify right side
    362,679.53x = 109,839,696,422.40
  5. Step 5: Solve for x
    x = 109,839,696,422.40/362,679.53
  6. Step 6: Final answer
    x = 302,856.07

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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.