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Finding the Fourth Proportional to 693,010.68, 956,370.42 and 406,737.24

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Solution

The fourth proportional to 693,010.68, 956,370.42 and 406,737.24 is: 561,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,010.68 : 956,370.42 = 406,737.24 : x
  2. Step 2: Convert to fraction form
    693,010.68/956,370.42 = 406,737.24/x
  3. Step 3: Cross multiply
    693,010.68x = 956,370.42 × 406,737.24
  4. Step 4: Simplify right side
    693,010.68x = 388,991,465,048.44
  5. Step 5: Solve for x
    x = 388,991,465,048.44/693,010.68
  6. Step 6: Final answer
    x = 561,306.59

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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.