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Finding the Fourth Proportional to 479,813.67, 719,292.83 and 243,034.47

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Solution

The fourth proportional to 479,813.67, 719,292.83 and 243,034.47 is: 364,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,813.67 : 719,292.83 = 243,034.47 : x
  2. Step 2: Convert to fraction form
    479,813.67/719,292.83 = 243,034.47/x
  3. Step 3: Cross multiply
    479,813.67x = 719,292.83 × 243,034.47
  4. Step 4: Simplify right side
    479,813.67x = 174,812,950,498.68
  5. Step 5: Solve for x
    x = 174,812,950,498.68/479,813.67
  6. Step 6: Final answer
    x = 364,335.08

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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.