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Finding the Fourth Proportional to 453,287.32, 678,253.86 and 273,477.04

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Solution

The fourth proportional to 453,287.32, 678,253.86 and 273,477.04 is: 409,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,287.32 : 678,253.86 = 273,477.04 : x
  2. Step 2: Convert to fraction form
    453,287.32/678,253.86 = 273,477.04/x
  3. Step 3: Cross multiply
    453,287.32x = 678,253.86 × 273,477.04
  4. Step 4: Simplify right side
    453,287.32x = 185,486,856,305.74
  5. Step 5: Solve for x
    x = 185,486,856,305.74/453,287.32
  6. Step 6: Final answer
    x = 409,203.72

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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.