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Finding the Fourth Proportional to 528,141.50, 792,370.14 and 374,563.37

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Solution

The fourth proportional to 528,141.50, 792,370.14 and 374,563.37 is: 561,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,141.50 : 792,370.14 = 374,563.37 : x
  2. Step 2: Convert to fraction form
    528,141.50/792,370.14 = 374,563.37/x
  3. Step 3: Cross multiply
    528,141.50x = 792,370.14 × 374,563.37
  4. Step 4: Simplify right side
    528,141.50x = 296,792,825,963.92
  5. Step 5: Solve for x
    x = 296,792,825,963.92/528,141.50
  6. Step 6: Final answer
    x = 561,957.03

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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.