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Finding the Fourth Proportional to 568,010.92, 783,855.02 and 313,362.10

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Solution

The fourth proportional to 568,010.92, 783,855.02 and 313,362.10 is: 432,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,010.92 : 783,855.02 = 313,362.10 : x
  2. Step 2: Convert to fraction form
    568,010.92/783,855.02 = 313,362.10/x
  3. Step 3: Cross multiply
    568,010.92x = 783,855.02 × 313,362.10
  4. Step 4: Simplify right side
    568,010.92x = 245,630,455,162.74
  5. Step 5: Solve for x
    x = 245,630,455,162.74/568,010.92
  6. Step 6: Final answer
    x = 432,439.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.