Home / 353,520.27-487,868.96-200,564.91

Finding the Fourth Proportional to 353,520.27, 487,868.96 and 200,564.91

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Solution

The fourth proportional to 353,520.27, 487,868.96 and 200,564.91 is: 276,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,520.27 : 487,868.96 = 200,564.91 : x
  2. Step 2: Convert to fraction form
    353,520.27/487,868.96 = 200,564.91/x
  3. Step 3: Cross multiply
    353,520.27x = 487,868.96 × 200,564.91
  4. Step 4: Simplify right side
    353,520.27x = 97,849,393,051.37
  5. Step 5: Solve for x
    x = 97,849,393,051.37/353,520.27
  6. Step 6: Final answer
    x = 276,785.81

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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.