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Finding the Fourth Proportional to 566,921.91, 850,372.47 and 140,458.65

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Solution

The fourth proportional to 566,921.91, 850,372.47 and 140,458.65 is: 210,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,921.91 : 850,372.47 = 140,458.65 : x
  2. Step 2: Convert to fraction form
    566,921.91/850,372.47 = 140,458.65/x
  3. Step 3: Cross multiply
    566,921.91x = 850,372.47 × 140,458.65
  4. Step 4: Simplify right side
    566,921.91x = 119,442,169,133.37
  5. Step 5: Solve for x
    x = 119,442,169,133.37/566,921.91
  6. Step 6: Final answer
    x = 210,685.40

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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.