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Finding the Fourth Proportional to 557,511.99, 836,234.01 and 197,700.57

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Solution

The fourth proportional to 557,511.99, 836,234.01 and 197,700.57 is: 296,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,511.99 : 836,234.01 = 197,700.57 : x
  2. Step 2: Convert to fraction form
    557,511.99/836,234.01 = 197,700.57/x
  3. Step 3: Cross multiply
    557,511.99x = 836,234.01 × 197,700.57
  4. Step 4: Simplify right side
    557,511.99x = 165,323,940,430.39
  5. Step 5: Solve for x
    x = 165,323,940,430.39/557,511.99
  6. Step 6: Final answer
    x = 296,538.81

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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.