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Finding the Fourth Proportional to 568,650.34, 783,801.84 and 403,133.32

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Solution

The fourth proportional to 568,650.34, 783,801.84 and 403,133.32 is: 555,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,650.34 : 783,801.84 = 403,133.32 : x
  2. Step 2: Convert to fraction form
    568,650.34/783,801.84 = 403,133.32/x
  3. Step 3: Cross multiply
    568,650.34x = 783,801.84 × 403,133.32
  4. Step 4: Simplify right side
    568,650.34x = 315,976,637,981.31
  5. Step 5: Solve for x
    x = 315,976,637,981.31/568,650.34
  6. Step 6: Final answer
    x = 555,660.69

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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.