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Finding the Fourth Proportional to 332,999.36, 499,267.32 and 143,402.87

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Solution

The fourth proportional to 332,999.36, 499,267.32 and 143,402.87 is: 215,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,999.36 : 499,267.32 = 143,402.87 : x
  2. Step 2: Convert to fraction form
    332,999.36/499,267.32 = 143,402.87/x
  3. Step 3: Cross multiply
    332,999.36x = 499,267.32 × 143,402.87
  4. Step 4: Simplify right side
    332,999.36x = 71,596,366,585.21
  5. Step 5: Solve for x
    x = 71,596,366,585.21/332,999.36
  6. Step 6: Final answer
    x = 215,004.52

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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.