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Finding the Fourth Proportional to 395,934.60, 593,901.90 and 185,593.80

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Solution

The fourth proportional to 395,934.60, 593,901.90 and 185,593.80 is: 278,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,934.60 : 593,901.90 = 185,593.80 : x
  2. Step 2: Convert to fraction form
    395,934.60/593,901.90 = 185,593.80/x
  3. Step 3: Cross multiply
    395,934.60x = 593,901.90 × 185,593.80
  4. Step 4: Simplify right side
    395,934.60x = 110,224,510,448.22
  5. Step 5: Solve for x
    x = 110,224,510,448.22/395,934.60
  6. Step 6: Final answer
    x = 278,390.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.