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Finding the Fourth Proportional to 333,291.28, 500,011.92 and 105,600.58

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Solution

The fourth proportional to 333,291.28, 500,011.92 and 105,600.58 is: 158,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,291.28 : 500,011.92 = 105,600.58 : x
  2. Step 2: Convert to fraction form
    333,291.28/500,011.92 = 105,600.58/x
  3. Step 3: Cross multiply
    333,291.28x = 500,011.92 × 105,600.58
  4. Step 4: Simplify right side
    333,291.28x = 52,801,548,758.91
  5. Step 5: Solve for x
    x = 52,801,548,758.91/333,291.28
  6. Step 6: Final answer
    x = 158,424.63

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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.