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Finding the Fourth Proportional to 696,847.60, 961,668.48 and 410,314.96

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Solution

The fourth proportional to 696,847.60, 961,668.48 and 410,314.96 is: 566,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,847.60 : 961,668.48 = 410,314.96 : x
  2. Step 2: Convert to fraction form
    696,847.60/961,668.48 = 410,314.96/x
  3. Step 3: Cross multiply
    696,847.60x = 961,668.48 × 410,314.96
  4. Step 4: Simplify right side
    696,847.60x = 394,586,963,904.46
  5. Step 5: Solve for x
    x = 394,586,963,904.46/696,847.60
  6. Step 6: Final answer
    x = 566,245.71

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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.