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Finding the Fourth Proportional to 496,811.10, 745,216.65 and 197,363.10

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Solution

The fourth proportional to 496,811.10, 745,216.65 and 197,363.10 is: 296,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,811.10 : 745,216.65 = 197,363.10 : x
  2. Step 2: Convert to fraction form
    496,811.10/745,216.65 = 197,363.10/x
  3. Step 3: Cross multiply
    496,811.10x = 745,216.65 × 197,363.10
  4. Step 4: Simplify right side
    496,811.10x = 147,078,268,215.62
  5. Step 5: Solve for x
    x = 147,078,268,215.62/496,811.10
  6. Step 6: Final answer
    x = 296,044.65

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Similar ratio
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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.