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Finding the Fourth Proportional to 325,887,658.66, 449,733,492.24 and 177,217,474.90

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Solution

The fourth proportional to 325,887,658.66, 449,733,492.24 and 177,217,474.90 is: 244,564,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,887,658.66 : 449,733,492.24 = 177,217,474.90 : x
  2. Step 2: Convert to fraction form
    325,887,658.66/449,733,492.24 = 177,217,474.90/x
  3. Step 3: Cross multiply
    325,887,658.66x = 449,733,492.24 × 177,217,474.90
  4. Step 4: Simplify right side
    325,887,658.66x = 79,700,633,872,731,552
  5. Step 5: Solve for x
    x = 79,700,633,872,731,552/325,887,658.66
  6. Step 6: Final answer
    x = 244,564,750.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.