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Finding the Fourth Proportional to 251,014,559.30, 376,521,838.95 and 251,014,559.30

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Solution

The fourth proportional to 251,014,559.30, 376,521,838.95 and 251,014,559.30 is: 376,521,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,014,559.30 : 376,521,838.95 = 251,014,559.30 : x
  2. Step 2: Convert to fraction form
    251,014,559.30/376,521,838.95 = 251,014,559.30/x
  3. Step 3: Cross multiply
    251,014,559.30x = 376,521,838.95 × 251,014,559.30
  4. Step 4: Simplify right side
    251,014,559.30x = 94,512,463,470,859,824
  5. Step 5: Solve for x
    x = 94,512,463,470,859,824/251,014,559.30
  6. Step 6: Final answer
    x = 376,521,838.95

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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.