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Finding the Fourth Proportional to 606,922.70, 910,384.05 and 492,761.30

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Solution

The fourth proportional to 606,922.70, 910,384.05 and 492,761.30 is: 739,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,922.70 : 910,384.05 = 492,761.30 : x
  2. Step 2: Convert to fraction form
    606,922.70/910,384.05 = 492,761.30/x
  3. Step 3: Cross multiply
    606,922.70x = 910,384.05 × 492,761.30
  4. Step 4: Simplify right side
    606,922.70x = 448,602,027,977.27
  5. Step 5: Solve for x
    x = 448,602,027,977.27/606,922.70
  6. Step 6: Final answer
    x = 739,141.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.