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Finding the Fourth Proportional to 800,447.19, 1,104,616.76 and 437,870.97

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Solution

The fourth proportional to 800,447.19, 1,104,616.76 and 437,870.97 is: 604,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,447.19 : 1,104,616.76 = 437,870.97 : x
  2. Step 2: Convert to fraction form
    800,447.19/1,104,616.76 = 437,870.97/x
  3. Step 3: Cross multiply
    800,447.19x = 1,104,616.76 × 437,870.97
  4. Step 4: Simplify right side
    800,447.19x = 483,679,612,179.46
  5. Step 5: Solve for x
    x = 483,679,612,179.46/800,447.19
  6. Step 6: Final answer
    x = 604,261.74

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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.