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Finding the Fourth Proportional to 568,674.36, 783,834.96 and 403,157.32

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Solution

The fourth proportional to 568,674.36, 783,834.96 and 403,157.32 is: 555,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,674.36 : 783,834.96 = 403,157.32 : x
  2. Step 2: Convert to fraction form
    568,674.36/783,834.96 = 403,157.32/x
  3. Step 3: Cross multiply
    568,674.36x = 783,834.96 × 403,157.32
  4. Step 4: Simplify right side
    568,674.36x = 316,008,801,795.91
  5. Step 5: Solve for x
    x = 316,008,801,795.91/568,674.36
  6. Step 6: Final answer
    x = 555,693.77

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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.