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Finding the Fourth Proportional to 568,000.41, 783,840.51 and 313,351.59

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Solution

The fourth proportional to 568,000.41, 783,840.51 and 313,351.59 is: 432,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,000.41 : 783,840.51 = 313,351.59 : x
  2. Step 2: Convert to fraction form
    568,000.41/783,840.51 = 313,351.59/x
  3. Step 3: Cross multiply
    568,000.41x = 783,840.51 × 313,351.59
  4. Step 4: Simplify right side
    568,000.41x = 245,617,670,114.91
  5. Step 5: Solve for x
    x = 245,617,670,114.91/568,000.41
  6. Step 6: Final answer
    x = 432,425.16

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1.5x scale

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.