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Finding the Fourth Proportional to 584,798.38, 807,021.96 and 330,165.97

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Solution

The fourth proportional to 584,798.38, 807,021.96 and 330,165.97 is: 455,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,798.38 : 807,021.96 = 330,165.97 : x
  2. Step 2: Convert to fraction form
    584,798.38/807,021.96 = 330,165.97/x
  3. Step 3: Cross multiply
    584,798.38x = 807,021.96 × 330,165.97
  4. Step 4: Simplify right side
    584,798.38x = 266,451,188,234.70
  5. Step 5: Solve for x
    x = 266,451,188,234.70/584,798.38
  6. Step 6: Final answer
    x = 455,629.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.