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Finding the Fourth Proportional to 543,831, 750,576.66 and 453,043.14

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Solution

The fourth proportional to 543,831, 750,576.66 and 453,043.14 is: 625,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,831 : 750,576.66 = 453,043.14 : x
  2. Step 2: Convert to fraction form
    543,831/750,576.66 = 453,043.14/x
  3. Step 3: Cross multiply
    543,831x = 750,576.66 × 453,043.14
  4. Step 4: Simplify right side
    543,831x = 340,043,606,857.11
  5. Step 5: Solve for x
    x = 340,043,606,857.11/543,831
  6. Step 6: Final answer
    x = 625,274.41

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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.