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Finding the Fourth Proportional to 478,253.82, 717,424.65 and 123,269.10

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Solution

The fourth proportional to 478,253.82, 717,424.65 and 123,269.10 is: 184,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,253.82 : 717,424.65 = 123,269.10 : x
  2. Step 2: Convert to fraction form
    478,253.82/717,424.65 = 123,269.10/x
  3. Step 3: Cross multiply
    478,253.82x = 717,424.65 × 123,269.10
  4. Step 4: Simplify right side
    478,253.82x = 88,436,290,923.32
  5. Step 5: Solve for x
    x = 88,436,290,923.32/478,253.82
  6. Step 6: Final answer
    x = 184,914.97

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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.