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Finding the Fourth Proportional to 616,086.13, 850,198.86 and 347,814.13

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Solution

The fourth proportional to 616,086.13, 850,198.86 and 347,814.13 is: 479,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,086.13 : 850,198.86 = 347,814.13 : x
  2. Step 2: Convert to fraction form
    616,086.13/850,198.86 = 347,814.13/x
  3. Step 3: Cross multiply
    616,086.13x = 850,198.86 × 347,814.13
  4. Step 4: Simplify right side
    616,086.13x = 295,711,176,817.89
  5. Step 5: Solve for x
    x = 295,711,176,817.89/616,086.13
  6. Step 6: Final answer
    x = 479,983.50

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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.