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Finding the Fourth Proportional to 528,455.80, 792,684.24 and 247,973.32

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Solution

The fourth proportional to 528,455.80, 792,684.24 and 247,973.32 is: 371,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,455.80 : 792,684.24 = 247,973.32 : x
  2. Step 2: Convert to fraction form
    528,455.80/792,684.24 = 247,973.32/x
  3. Step 3: Cross multiply
    528,455.80x = 792,684.24 × 247,973.32
  4. Step 4: Simplify right side
    528,455.80x = 196,564,542,704.48
  5. Step 5: Solve for x
    x = 196,564,542,704.48/528,455.80
  6. Step 6: Final answer
    x = 371,960.23

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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.