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Finding the Fourth Proportional to 299,862,710.64, 449,748,440.28 and 115,603,295.04

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Solution

The fourth proportional to 299,862,710.64, 449,748,440.28 and 115,603,295.04 is: 173,387,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,862,710.64 : 449,748,440.28 = 115,603,295.04 : x
  2. Step 2: Convert to fraction form
    299,862,710.64/449,748,440.28 = 115,603,295.04/x
  3. Step 3: Cross multiply
    299,862,710.64x = 449,748,440.28 × 115,603,295.04
  4. Step 4: Simplify right side
    299,862,710.64x = 51,992,401,635,468,656
  5. Step 5: Solve for x
    x = 51,992,401,635,468,656/299,862,710.64
  6. Step 6: Final answer
    x = 173,387,352.91

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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.