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Finding the Fourth Proportional to 701,694.84, 968,781.66 and 486,759.72

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Solution

The fourth proportional to 701,694.84, 968,781.66 and 486,759.72 is: 672,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,694.84 : 968,781.66 = 486,759.72 : x
  2. Step 2: Convert to fraction form
    701,694.84/968,781.66 = 486,759.72/x
  3. Step 3: Cross multiply
    701,694.84x = 968,781.66 × 486,759.72
  4. Step 4: Simplify right side
    701,694.84x = 471,563,889,562.74
  5. Step 5: Solve for x
    x = 471,563,889,562.74/701,694.84
  6. Step 6: Final answer
    x = 672,035.57

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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.