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Finding the Fourth Proportional to 602,191.86, 903,289.47 and 203,112.96

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Solution

The fourth proportional to 602,191.86, 903,289.47 and 203,112.96 is: 304,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,191.86 : 903,289.47 = 203,112.96 : x
  2. Step 2: Convert to fraction form
    602,191.86/903,289.47 = 203,112.96/x
  3. Step 3: Cross multiply
    602,191.86x = 903,289.47 × 203,112.96
  4. Step 4: Simplify right side
    602,191.86x = 183,469,797,988.53
  5. Step 5: Solve for x
    x = 183,469,797,988.53/602,191.86
  6. Step 6: Final answer
    x = 304,670.01

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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.