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Finding the Fourth Proportional to 568,166.09, 787,455.32 and 557,537.27

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Solution

The fourth proportional to 568,166.09, 787,455.32 and 557,537.27 is: 772,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,166.09 : 787,455.32 = 557,537.27 : x
  2. Step 2: Convert to fraction form
    568,166.09/787,455.32 = 557,537.27/x
  3. Step 3: Cross multiply
    568,166.09x = 787,455.32 × 557,537.27
  4. Step 4: Simplify right side
    568,166.09x = 439,035,689,359.78
  5. Step 5: Solve for x
    x = 439,035,689,359.78/568,166.09
  6. Step 6: Final answer
    x = 772,724.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.