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Finding the Fourth Proportional to 633,429.56, 874,131.48 and 343,040.22

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Solution

The fourth proportional to 633,429.56, 874,131.48 and 343,040.22 is: 473,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,429.56 : 874,131.48 = 343,040.22 : x
  2. Step 2: Convert to fraction form
    633,429.56/874,131.48 = 343,040.22/x
  3. Step 3: Cross multiply
    633,429.56x = 874,131.48 × 343,040.22
  4. Step 4: Simplify right side
    633,429.56x = 299,862,255,208.13
  5. Step 5: Solve for x
    x = 299,862,255,208.13/633,429.56
  6. Step 6: Final answer
    x = 473,394.80

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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.