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Finding the Fourth Proportional to 547,172.82, 755,111.16 and 343,232.33

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Solution

The fourth proportional to 547,172.82, 755,111.16 and 343,232.33 is: 473,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,172.82 : 755,111.16 = 343,232.33 : x
  2. Step 2: Convert to fraction form
    547,172.82/755,111.16 = 343,232.33/x
  3. Step 3: Cross multiply
    547,172.82x = 755,111.16 × 343,232.33
  4. Step 4: Simplify right side
    547,172.82x = 259,178,559,080.25
  5. Step 5: Solve for x
    x = 259,178,559,080.25/547,172.82
  6. Step 6: Final answer
    x = 473,668.56

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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.