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Finding the Fourth Proportional to 573,025.36, 858,138 and 494,643.28

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Solution

The fourth proportional to 573,025.36, 858,138 and 494,643.28 is: 740,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,025.36 : 858,138 = 494,643.28 : x
  2. Step 2: Convert to fraction form
    573,025.36/858,138 = 494,643.28/x
  3. Step 3: Cross multiply
    573,025.36x = 858,138 × 494,643.28
  4. Step 4: Simplify right side
    573,025.36x = 424,472,195,012.64
  5. Step 5: Solve for x
    x = 424,472,195,012.64/573,025.36
  6. Step 6: Final answer
    x = 740,756.39

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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.