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Finding the Fourth Proportional to 367,031.40, 512,794.20 and 367,031.40

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Solution

The fourth proportional to 367,031.40, 512,794.20 and 367,031.40 is: 512,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.40 : 512,794.20 = 367,031.40 : x
  2. Step 2: Convert to fraction form
    367,031.40/512,794.20 = 367,031.40/x
  3. Step 3: Cross multiply
    367,031.40x = 512,794.20 × 367,031.40
  4. Step 4: Simplify right side
    367,031.40x = 188,211,573,137.88
  5. Step 5: Solve for x
    x = 188,211,573,137.88/367,031.40
  6. Step 6: Final answer
    x = 512,794.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.