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Finding the Fourth Proportional to 588,001.20, 880,835.40 and 350,638.80

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Solution

The fourth proportional to 588,001.20, 880,835.40 and 350,638.80 is: 525,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,001.20 : 880,835.40 = 350,638.80 : x
  2. Step 2: Convert to fraction form
    588,001.20/880,835.40 = 350,638.80/x
  3. Step 3: Cross multiply
    588,001.20x = 880,835.40 × 350,638.80
  4. Step 4: Simplify right side
    588,001.20x = 308,855,067,653.52
  5. Step 5: Solve for x
    x = 308,855,067,653.52/588,001.20
  6. Step 6: Final answer
    x = 525,262.65

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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.