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Finding the Fourth Proportional to 475,993.13, 656,928.62 and 272,052.64

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Solution

The fourth proportional to 475,993.13, 656,928.62 and 272,052.64 is: 375,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,993.13 : 656,928.62 = 272,052.64 : x
  2. Step 2: Convert to fraction form
    475,993.13/656,928.62 = 272,052.64/x
  3. Step 3: Cross multiply
    475,993.13x = 656,928.62 × 272,052.64
  4. Step 4: Simplify right side
    475,993.13x = 178,719,165,843.65
  5. Step 5: Solve for x
    x = 178,719,165,843.65/475,993.13
  6. Step 6: Final answer
    x = 375,465.86

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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.