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Finding the Fourth Proportional to 475,568.28, 713,585.91 and 191,247.33

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Solution

The fourth proportional to 475,568.28, 713,585.91 and 191,247.33 is: 286,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,568.28 : 713,585.91 = 191,247.33 : x
  2. Step 2: Convert to fraction form
    475,568.28/713,585.91 = 191,247.33/x
  3. Step 3: Cross multiply
    475,568.28x = 713,585.91 × 191,247.33
  4. Step 4: Simplify right side
    475,568.28x = 136,471,400,013.12
  5. Step 5: Solve for x
    x = 136,471,400,013.12/475,568.28
  6. Step 6: Final answer
    x = 286,964.89

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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.