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Finding the Fourth Proportional to 568,099.34, 783,993.48 and 313,466.93

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Solution

The fourth proportional to 568,099.34, 783,993.48 and 313,466.93 is: 432,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,099.34 : 783,993.48 = 313,466.93 : x
  2. Step 2: Convert to fraction form
    568,099.34/783,993.48 = 313,466.93/x
  3. Step 3: Cross multiply
    568,099.34x = 783,993.48 × 313,466.93
  4. Step 4: Simplify right side
    568,099.34x = 245,756,024,220.15
  5. Step 5: Solve for x
    x = 245,756,024,220.15/568,099.34
  6. Step 6: Final answer
    x = 432,593.40

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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.