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Finding the Fourth Proportional to 358,502.40, 536,402.44 and 213,873.36

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Solution

The fourth proportional to 358,502.40, 536,402.44 and 213,873.36 is: 320,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,502.40 : 536,402.44 = 213,873.36 : x
  2. Step 2: Convert to fraction form
    358,502.40/536,402.44 = 213,873.36/x
  3. Step 3: Cross multiply
    358,502.40x = 536,402.44 × 213,873.36
  4. Step 4: Simplify right side
    358,502.40x = 114,722,192,155.00
  5. Step 5: Solve for x
    x = 114,722,192,155.00/358,502.40
  6. Step 6: Final answer
    x = 320,003.97

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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.