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Finding the Fourth Proportional to 407,007.14, 610,501.18 and 107,508.62

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Solution

The fourth proportional to 407,007.14, 610,501.18 and 107,508.62 is: 161,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,007.14 : 610,501.18 = 107,508.62 : x
  2. Step 2: Convert to fraction form
    407,007.14/610,501.18 = 107,508.62/x
  3. Step 3: Cross multiply
    407,007.14x = 610,501.18 × 107,508.62
  4. Step 4: Simplify right side
    407,007.14x = 65,634,139,370.17
  5. Step 5: Solve for x
    x = 65,634,139,370.17/407,007.14
  6. Step 6: Final answer
    x = 161,260.41

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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.