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Finding the Fourth Proportional to 573,026.36, 858,139.50 and 494,644.28

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Solution

The fourth proportional to 573,026.36, 858,139.50 and 494,644.28 is: 740,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,026.36 : 858,139.50 = 494,644.28 : x
  2. Step 2: Convert to fraction form
    573,026.36/858,139.50 = 494,644.28/x
  3. Step 3: Cross multiply
    573,026.36x = 858,139.50 × 494,644.28
  4. Step 4: Simplify right side
    573,026.36x = 424,473,795,117.06
  5. Step 5: Solve for x
    x = 424,473,795,117.06/573,026.36
  6. Step 6: Final answer
    x = 740,757.89

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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.