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Finding the Fourth Proportional to 568,337.66, 852,647.72 and 168,977.78

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Solution

The fourth proportional to 568,337.66, 852,647.72 and 168,977.78 is: 253,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,337.66 : 852,647.72 = 168,977.78 : x
  2. Step 2: Convert to fraction form
    568,337.66/852,647.72 = 168,977.78/x
  3. Step 3: Cross multiply
    568,337.66x = 852,647.72 × 168,977.78
  4. Step 4: Simplify right side
    568,337.66x = 144,078,518,847.66
  5. Step 5: Solve for x
    x = 144,078,518,847.66/568,337.66
  6. Step 6: Final answer
    x = 253,508.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.