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Finding the Fourth Proportional to 696,697.65, 961,531.70 and 410,244.39

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Solution

The fourth proportional to 696,697.65, 961,531.70 and 410,244.39 is: 566,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,697.65 : 961,531.70 = 410,244.39 : x
  2. Step 2: Convert to fraction form
    696,697.65/961,531.70 = 410,244.39/x
  3. Step 3: Cross multiply
    696,697.65x = 961,531.70 × 410,244.39
  4. Step 4: Simplify right side
    696,697.65x = 394,462,983,680.94
  5. Step 5: Solve for x
    x = 394,462,983,680.94/696,697.65
  6. Step 6: Final answer
    x = 566,189.63

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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.