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Finding the Fourth Proportional to 590,469.30, 815,239.84 and 454,262.94

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Solution

The fourth proportional to 590,469.30, 815,239.84 and 454,262.94 is: 627,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,469.30 : 815,239.84 = 454,262.94 : x
  2. Step 2: Convert to fraction form
    590,469.30/815,239.84 = 454,262.94/x
  3. Step 3: Cross multiply
    590,469.30x = 815,239.84 × 454,262.94
  4. Step 4: Simplify right side
    590,469.30x = 370,333,240,176.02
  5. Step 5: Solve for x
    x = 370,333,240,176.02/590,469.30
  6. Step 6: Final answer
    x = 627,184.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.