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Finding the Fourth Proportional to 430,309.92, 593,819.24 and 239,319.22

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Solution

The fourth proportional to 430,309.92, 593,819.24 and 239,319.22 is: 330,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,309.92 : 593,819.24 = 239,319.22 : x
  2. Step 2: Convert to fraction form
    430,309.92/593,819.24 = 239,319.22/x
  3. Step 3: Cross multiply
    430,309.92x = 593,819.24 × 239,319.22
  4. Step 4: Simplify right side
    430,309.92x = 142,112,357,337.79
  5. Step 5: Solve for x
    x = 142,112,357,337.79/430,309.92
  6. Step 6: Final answer
    x = 330,255.82

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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.