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Finding the Fourth Proportional to 335,385.96, 462,866.58 and 192,165

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Solution

The fourth proportional to 335,385.96, 462,866.58 and 192,165 is: 265,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,385.96 : 462,866.58 = 192,165 : x
  2. Step 2: Convert to fraction form
    335,385.96/462,866.58 = 192,165/x
  3. Step 3: Cross multiply
    335,385.96x = 462,866.58 × 192,165
  4. Step 4: Simplify right side
    335,385.96x = 88,946,756,345.70
  5. Step 5: Solve for x
    x = 88,946,756,345.70/335,385.96
  6. Step 6: Final answer
    x = 265,207.16

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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.