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Finding the Fourth Proportional to 633,608.82, 874,372.77 and 343,214.91

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Solution

The fourth proportional to 633,608.82, 874,372.77 and 343,214.91 is: 473,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,608.82 : 874,372.77 = 343,214.91 : x
  2. Step 2: Convert to fraction form
    633,608.82/874,372.77 = 343,214.91/x
  3. Step 3: Cross multiply
    633,608.82x = 874,372.77 × 343,214.91
  4. Step 4: Simplify right side
    633,608.82x = 300,097,771,562.00
  5. Step 5: Solve for x
    x = 300,097,771,562.00/633,608.82
  6. Step 6: Final answer
    x = 473,632.57

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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.