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Finding the Fourth Proportional to 407,031.03, 610,575.69 and 107,508.62

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Solution

The fourth proportional to 407,031.03, 610,575.69 and 107,508.62 is: 161,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,031.03 : 610,575.69 = 107,508.62 : x
  2. Step 2: Convert to fraction form
    407,031.03/610,575.69 = 107,508.62/x
  3. Step 3: Cross multiply
    407,031.03x = 610,575.69 × 107,508.62
  4. Step 4: Simplify right side
    407,031.03x = 65,642,148,311.01
  5. Step 5: Solve for x
    x = 65,642,148,311.01/407,031.03
  6. Step 6: Final answer
    x = 161,270.63

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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.