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Finding the Fourth Proportional to 251,012,053.30, 376,518,079.95 and 251,012,053.30

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Solution

The fourth proportional to 251,012,053.30, 376,518,079.95 and 251,012,053.30 is: 376,518,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,012,053.30 : 376,518,079.95 = 251,012,053.30 : x
  2. Step 2: Convert to fraction form
    251,012,053.30/376,518,079.95 = 251,012,053.30/x
  3. Step 3: Cross multiply
    251,012,053.30x = 376,518,079.95 × 251,012,053.30
  4. Step 4: Simplify right side
    251,012,053.30x = 94,510,576,352,823,056
  5. Step 5: Solve for x
    x = 94,510,576,352,823,056/251,012,053.30
  6. Step 6: Final answer
    x = 376,518,079.95

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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.