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Finding the Fourth Proportional to 536,865.75, 740,855.86 and 295,146.56

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Solution

The fourth proportional to 536,865.75, 740,855.86 and 295,146.56 is: 407,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,865.75 : 740,855.86 = 295,146.56 : x
  2. Step 2: Convert to fraction form
    536,865.75/740,855.86 = 295,146.56/x
  3. Step 3: Cross multiply
    536,865.75x = 740,855.86 × 295,146.56
  4. Step 4: Simplify right side
    536,865.75x = 218,661,059,649.12
  5. Step 5: Solve for x
    x = 218,661,059,649.12/536,865.75
  6. Step 6: Final answer
    x = 407,291.88

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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.