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Finding the Fourth Proportional to 430,838.76, 594,581.04 and 239,847.96

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Solution

The fourth proportional to 430,838.76, 594,581.04 and 239,847.96 is: 331,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,838.76 : 594,581.04 = 239,847.96 : x
  2. Step 2: Convert to fraction form
    430,838.76/594,581.04 = 239,847.96/x
  3. Step 3: Cross multiply
    430,838.76x = 594,581.04 × 239,847.96
  4. Step 4: Simplify right side
    430,838.76x = 142,609,049,498.68
  5. Step 5: Solve for x
    x = 142,609,049,498.68/430,838.76
  6. Step 6: Final answer
    x = 331,003.30

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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.