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Finding the Fourth Proportional to 353,197.64, 487,418.85 and 192,053.68

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Solution

The fourth proportional to 353,197.64, 487,418.85 and 192,053.68 is: 265,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,197.64 : 487,418.85 = 192,053.68 : x
  2. Step 2: Convert to fraction form
    353,197.64/487,418.85 = 192,053.68/x
  3. Step 3: Cross multiply
    353,197.64x = 487,418.85 × 192,053.68
  4. Step 4: Simplify right side
    353,197.64x = 93,610,580,446.51
  5. Step 5: Solve for x
    x = 93,610,580,446.51/353,197.64
  6. Step 6: Final answer
    x = 265,037.39

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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.