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Finding the Fourth Proportional to 430,305.92, 593,813.72 and 239,315.22

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Solution

The fourth proportional to 430,305.92, 593,813.72 and 239,315.22 is: 330,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,305.92 : 593,813.72 = 239,315.22 : x
  2. Step 2: Convert to fraction form
    430,305.92/593,813.72 = 239,315.22/x
  3. Step 3: Cross multiply
    430,305.92x = 593,813.72 × 239,315.22
  4. Step 4: Simplify right side
    430,305.92x = 142,108,661,040.82
  5. Step 5: Solve for x
    x = 142,108,661,040.82/430,305.92
  6. Step 6: Final answer
    x = 330,250.30

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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.