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Finding the Fourth Proportional to 251,011,805.30, 376,517,707.95 and 251,011,805.30

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Solution

The fourth proportional to 251,011,805.30, 376,517,707.95 and 251,011,805.30 is: 376,517,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,011,805.30 : 376,517,707.95 = 251,011,805.30 : x
  2. Step 2: Convert to fraction form
    251,011,805.30/376,517,707.95 = 251,011,805.30/x
  3. Step 3: Cross multiply
    251,011,805.30x = 376,517,707.95 × 251,011,805.30
  4. Step 4: Simplify right side
    251,011,805.30x = 94,510,389,599,947,664
  5. Step 5: Solve for x
    x = 94,510,389,599,947,664/251,011,805.30
  6. Step 6: Final answer
    x = 376,517,707.95

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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.