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Finding the Fourth Proportional to 488,998.01, 733,434.71 and 189,273.53

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Solution

The fourth proportional to 488,998.01, 733,434.71 and 189,273.53 is: 283,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,998.01 : 733,434.71 = 189,273.53 : x
  2. Step 2: Convert to fraction form
    488,998.01/733,434.71 = 189,273.53/x
  3. Step 3: Cross multiply
    488,998.01x = 733,434.71 × 189,273.53
  4. Step 4: Simplify right side
    488,998.01x = 138,819,771,972.69
  5. Step 5: Solve for x
    x = 138,819,771,972.69/488,998.01
  6. Step 6: Final answer
    x = 283,886.17

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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.