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Finding the Fourth Proportional to 354,024.36, 488,557.28 and 192,879.36

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Solution

The fourth proportional to 354,024.36, 488,557.28 and 192,879.36 is: 266,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,024.36 : 488,557.28 = 192,879.36 : x
  2. Step 2: Convert to fraction form
    354,024.36/488,557.28 = 192,879.36/x
  3. Step 3: Cross multiply
    354,024.36x = 488,557.28 × 192,879.36
  4. Step 4: Simplify right side
    354,024.36x = 94,232,615,489.74
  5. Step 5: Solve for x
    x = 94,232,615,489.74/354,024.36
  6. Step 6: Final answer
    x = 266,175.51

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1.5x scale

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.