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Finding the Fourth Proportional to 522,067.10, 729,319.30 and 522,067.10

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Solution

The fourth proportional to 522,067.10, 729,319.30 and 522,067.10 is: 729,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,067.10 : 729,319.30 = 522,067.10 : x
  2. Step 2: Convert to fraction form
    522,067.10/729,319.30 = 522,067.10/x
  3. Step 3: Cross multiply
    522,067.10x = 729,319.30 × 522,067.10
  4. Step 4: Simplify right side
    522,067.10x = 380,753,611,925.03
  5. Step 5: Solve for x
    x = 380,753,611,925.03/522,067.10
  6. Step 6: Final answer
    x = 729,319.30

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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.