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Finding the Fourth Proportional to 333,044.53, 499,628.44 and 105,397.45

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Solution

The fourth proportional to 333,044.53, 499,628.44 and 105,397.45 is: 158,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,044.53 : 499,628.44 = 105,397.45 : x
  2. Step 2: Convert to fraction form
    333,044.53/499,628.44 = 105,397.45/x
  3. Step 3: Cross multiply
    333,044.53x = 499,628.44 × 105,397.45
  4. Step 4: Simplify right side
    333,044.53x = 52,659,564,623.70
  5. Step 5: Solve for x
    x = 52,659,564,623.70/333,044.53
  6. Step 6: Final answer
    x = 158,115.69

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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.