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Finding the Fourth Proportional to 267,496,807.70, 401,245,211.55 and 235,929,212.30

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Solution

The fourth proportional to 267,496,807.70, 401,245,211.55 and 235,929,212.30 is: 353,893,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,496,807.70 : 401,245,211.55 = 235,929,212.30 : x
  2. Step 2: Convert to fraction form
    267,496,807.70/401,245,211.55 = 235,929,212.30/x
  3. Step 3: Cross multiply
    267,496,807.70x = 401,245,211.55 × 235,929,212.30
  4. Step 4: Simplify right side
    267,496,807.70x = 94,665,466,700,138,368
  5. Step 5: Solve for x
    x = 94,665,466,700,138,368/267,496,807.70
  6. Step 6: Final answer
    x = 353,893,818.45

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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.