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Finding the Fourth Proportional to 696,846.69, 962,060.71 and 438,944.70

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Solution

The fourth proportional to 696,846.69, 962,060.71 and 438,944.70 is: 606,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,846.69 : 962,060.71 = 438,944.70 : x
  2. Step 2: Convert to fraction form
    696,846.69/962,060.71 = 438,944.70/x
  3. Step 3: Cross multiply
    696,846.69x = 962,060.71 × 438,944.70
  4. Step 4: Simplify right side
    696,846.69x = 422,291,449,732.74
  5. Step 5: Solve for x
    x = 422,291,449,732.74/696,846.69
  6. Step 6: Final answer
    x = 606,003.38

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Double scale
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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.