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Finding the Fourth Proportional to 700,635.86, 965,865.57 and 499,081.94

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Solution

The fourth proportional to 700,635.86, 965,865.57 and 499,081.94 is: 688,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,635.86 : 965,865.57 = 499,081.94 : x
  2. Step 2: Convert to fraction form
    700,635.86/965,865.57 = 499,081.94/x
  3. Step 3: Cross multiply
    700,635.86x = 965,865.57 × 499,081.94
  4. Step 4: Simplify right side
    700,635.86x = 482,046,062,454.81
  5. Step 5: Solve for x
    x = 482,046,062,454.81/700,635.86
  6. Step 6: Final answer
    x = 688,012.26

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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.