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Finding the Fourth Proportional to 430,187.87, 593,655.57 and 239,199.59

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Solution

The fourth proportional to 430,187.87, 593,655.57 and 239,199.59 is: 330,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,187.87 : 593,655.57 = 239,199.59 : x
  2. Step 2: Convert to fraction form
    430,187.87/593,655.57 = 239,199.59/x
  3. Step 3: Cross multiply
    430,187.87x = 593,655.57 × 239,199.59
  4. Step 4: Simplify right side
    430,187.87x = 142,002,165,976.94
  5. Step 5: Solve for x
    x = 142,002,165,976.94/430,187.87
  6. Step 6: Final answer
    x = 330,093.38

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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.