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Finding the Fourth Proportional to 282,092.71, 389,185.78 and 185,348.68

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Solution

The fourth proportional to 282,092.71, 389,185.78 and 185,348.68 is: 255,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,092.71 : 389,185.78 = 185,348.68 : x
  2. Step 2: Convert to fraction form
    282,092.71/389,185.78 = 185,348.68/x
  3. Step 3: Cross multiply
    282,092.71x = 389,185.78 × 185,348.68
  4. Step 4: Simplify right side
    282,092.71x = 72,135,069,528.62
  5. Step 5: Solve for x
    x = 72,135,069,528.62/282,092.71
  6. Step 6: Final answer
    x = 255,714.05

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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.