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Finding the Fourth Proportional to 962,374.57, 1,328,138.56 and 554,469

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Solution

The fourth proportional to 962,374.57, 1,328,138.56 and 554,469 is: 765,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,374.57 : 1,328,138.56 = 554,469 : x
  2. Step 2: Convert to fraction form
    962,374.57/1,328,138.56 = 554,469/x
  3. Step 3: Cross multiply
    962,374.57x = 1,328,138.56 × 554,469
  4. Step 4: Simplify right side
    962,374.57x = 736,411,659,224.64
  5. Step 5: Solve for x
    x = 736,411,659,224.64/962,374.57
  6. Step 6: Final answer
    x = 765,202.74

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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.