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Finding the Fourth Proportional to 536,891.19, 740,922.92 and 295,178.46

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Solution

The fourth proportional to 536,891.19, 740,922.92 and 295,178.46 is: 407,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,891.19 : 740,922.92 = 295,178.46 : x
  2. Step 2: Convert to fraction form
    536,891.19/740,922.92 = 295,178.46/x
  3. Step 3: Cross multiply
    536,891.19x = 740,922.92 × 295,178.46
  4. Step 4: Simplify right side
    536,891.19x = 218,704,486,504.30
  5. Step 5: Solve for x
    x = 218,704,486,504.30/536,891.19
  6. Step 6: Final answer
    x = 407,353.46

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Double scale
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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.