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Finding the Fourth Proportional to 611,685.94, 844,192.78 and 370,101.70

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Solution

The fourth proportional to 611,685.94, 844,192.78 and 370,101.70 is: 510,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,685.94 : 844,192.78 = 370,101.70 : x
  2. Step 2: Convert to fraction form
    611,685.94/844,192.78 = 370,101.70/x
  3. Step 3: Cross multiply
    611,685.94x = 844,192.78 × 370,101.70
  4. Step 4: Simplify right side
    611,685.94x = 312,437,183,005.73
  5. Step 5: Solve for x
    x = 312,437,183,005.73/611,685.94
  6. Step 6: Final answer
    x = 510,780.39

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Similar ratio
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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.