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Finding the Fourth Proportional to 553,228.01, 829,556.57 and 253,451.69

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Solution

The fourth proportional to 553,228.01, 829,556.57 and 253,451.69 is: 380,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,228.01 : 829,556.57 = 253,451.69 : x
  2. Step 2: Convert to fraction form
    553,228.01/829,556.57 = 253,451.69/x
  3. Step 3: Cross multiply
    553,228.01x = 829,556.57 × 253,451.69
  4. Step 4: Simplify right side
    553,228.01x = 210,252,510,434.77
  5. Step 5: Solve for x
    x = 210,252,510,434.77/553,228.01
  6. Step 6: Final answer
    x = 380,046.76

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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.