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Finding the Fourth Proportional to 353,792.80, 488,228.88 and 192,645.28

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Solution

The fourth proportional to 353,792.80, 488,228.88 and 192,645.28 is: 265,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,792.80 : 488,228.88 = 192,645.28 : x
  2. Step 2: Convert to fraction form
    353,792.80/488,228.88 = 192,645.28/x
  3. Step 3: Cross multiply
    353,792.80x = 488,228.88 × 192,645.28
  4. Step 4: Simplify right side
    353,792.80x = 94,054,989,291.69
  5. Step 5: Solve for x
    x = 94,054,989,291.69/353,792.80
  6. Step 6: Final answer
    x = 265,847.66

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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.