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Finding the Fourth Proportional to 283,753,900.80, 425,630,851.20 and 283,753,900.80

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Solution

The fourth proportional to 283,753,900.80, 425,630,851.20 and 283,753,900.80 is: 425,630,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,753,900.80 : 425,630,851.20 = 283,753,900.80 : x
  2. Step 2: Convert to fraction form
    283,753,900.80/425,630,851.20 = 283,753,900.80/x
  3. Step 3: Cross multiply
    283,753,900.80x = 425,630,851.20 × 283,753,900.80
  4. Step 4: Simplify right side
    283,753,900.80x = 120,774,414,328,824,368
  5. Step 5: Solve for x
    x = 120,774,414,328,824,368/283,753,900.80
  6. Step 6: Final answer
    x = 425,630,851.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.