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Finding the Fourth Proportional to 304,096,813.64, 456,121,425.04 and 85,738,335.56

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Solution

The fourth proportional to 304,096,813.64, 456,121,425.04 and 85,738,335.56 is: 128,600,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,096,813.64 : 456,121,425.04 = 85,738,335.56 : x
  2. Step 2: Convert to fraction form
    304,096,813.64/456,121,425.04 = 85,738,335.56/x
  3. Step 3: Cross multiply
    304,096,813.64x = 456,121,425.04 × 85,738,335.56
  4. Step 4: Simplify right side
    304,096,813.64x = 39,107,091,796,184,912
  5. Step 5: Solve for x
    x = 39,107,091,796,184,912/304,096,813.64
  6. Step 6: Final answer
    x = 128,600,794.36

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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.