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Finding the Fourth Proportional to 572,493.83, 859,134.36 and 198,516.83

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Solution

The fourth proportional to 572,493.83, 859,134.36 and 198,516.83 is: 297,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,493.83 : 859,134.36 = 198,516.83 : x
  2. Step 2: Convert to fraction form
    572,493.83/859,134.36 = 198,516.83/x
  3. Step 3: Cross multiply
    572,493.83x = 859,134.36 × 198,516.83
  4. Step 4: Simplify right side
    572,493.83x = 170,552,625,395.61
  5. Step 5: Solve for x
    x = 170,552,625,395.61/572,493.83
  6. Step 6: Final answer
    x = 297,911.73

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1.5x scale

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.