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Finding the Fourth Proportional to 295,794,848.88, 408,068,580.36 and 178,253,385.72

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Solution

The fourth proportional to 295,794,848.88, 408,068,580.36 and 178,253,385.72 is: 245,912,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,794,848.88 : 408,068,580.36 = 178,253,385.72 : x
  2. Step 2: Convert to fraction form
    295,794,848.88/408,068,580.36 = 178,253,385.72/x
  3. Step 3: Cross multiply
    295,794,848.88x = 408,068,580.36 × 178,253,385.72
  4. Step 4: Simplify right side
    295,794,848.88x = 72,739,606,055,123,904
  5. Step 5: Solve for x
    x = 72,739,606,055,123,904/295,794,848.88
  6. Step 6: Final answer
    x = 245,912,348.81

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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.