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Finding the Fourth Proportional to 547,127.66, 755,048.94 and 343,187.22

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Solution

The fourth proportional to 547,127.66, 755,048.94 and 343,187.22 is: 473,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,127.66 : 755,048.94 = 343,187.22 : x
  2. Step 2: Convert to fraction form
    547,127.66/755,048.94 = 343,187.22/x
  3. Step 3: Cross multiply
    547,127.66x = 755,048.94 × 343,187.22
  4. Step 4: Simplify right side
    547,127.66x = 259,123,146,682.55
  5. Step 5: Solve for x
    x = 259,123,146,682.55/547,127.66
  6. Step 6: Final answer
    x = 473,606.37

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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.