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Finding the Fourth Proportional to 445,882.39, 668,893.29 and 146,294.83

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Solution

The fourth proportional to 445,882.39, 668,893.29 and 146,294.83 is: 219,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,882.39 : 668,893.29 = 146,294.83 : x
  2. Step 2: Convert to fraction form
    445,882.39/668,893.29 = 146,294.83/x
  3. Step 3: Cross multiply
    445,882.39x = 668,893.29 × 146,294.83
  4. Step 4: Simplify right side
    445,882.39x = 97,855,630,148.69
  5. Step 5: Solve for x
    x = 97,855,630,148.69/445,882.39
  6. Step 6: Final answer
    x = 219,465.12

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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.