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Finding the Fourth Proportional to 696,066, 961,034.40 and 534,633

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Solution

The fourth proportional to 696,066, 961,034.40 and 534,633 is: 738,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,066 : 961,034.40 = 534,633 : x
  2. Step 2: Convert to fraction form
    696,066/961,034.40 = 534,633/x
  3. Step 3: Cross multiply
    696,066x = 961,034.40 × 534,633
  4. Step 4: Simplify right side
    696,066x = 513,800,704,375.20
  5. Step 5: Solve for x
    x = 513,800,704,375.20/696,066
  6. Step 6: Final answer
    x = 738,149.41

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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.