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Finding the Fourth Proportional to 665,262.90, 997,926.47 and 185,489.77

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Solution

The fourth proportional to 665,262.90, 997,926.47 and 185,489.77 is: 278,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,262.90 : 997,926.47 = 185,489.77 : x
  2. Step 2: Convert to fraction form
    665,262.90/997,926.47 = 185,489.77/x
  3. Step 3: Cross multiply
    665,262.90x = 997,926.47 × 185,489.77
  4. Step 4: Simplify right side
    665,262.90x = 185,105,151,397.21
  5. Step 5: Solve for x
    x = 185,105,151,397.21/665,262.90
  6. Step 6: Final answer
    x = 278,243.61

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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.