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Finding the Fourth Proportional to 251,014,555.30, 376,521,832.95 and 251,014,555.30

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Solution

The fourth proportional to 251,014,555.30, 376,521,832.95 and 251,014,555.30 is: 376,521,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,014,555.30 : 376,521,832.95 = 251,014,555.30 : x
  2. Step 2: Convert to fraction form
    251,014,555.30/376,521,832.95 = 251,014,555.30/x
  3. Step 3: Cross multiply
    251,014,555.30x = 376,521,832.95 × 251,014,555.30
  4. Step 4: Simplify right side
    251,014,555.30x = 94,512,460,458,685,136
  5. Step 5: Solve for x
    x = 94,512,460,458,685,136/251,014,555.30
  6. Step 6: Final answer
    x = 376,521,832.95

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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.