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Finding the Fourth Proportional to 430,351.32, 593,876.30 and 239,360.60

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Solution

The fourth proportional to 430,351.32, 593,876.30 and 239,360.60 is: 330,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,351.32 : 593,876.30 = 239,360.60 : x
  2. Step 2: Convert to fraction form
    430,351.32/593,876.30 = 239,360.60/x
  3. Step 3: Cross multiply
    430,351.32x = 593,876.30 × 239,360.60
  4. Step 4: Simplify right side
    430,351.32x = 142,150,587,493.78
  5. Step 5: Solve for x
    x = 142,150,587,493.78/430,351.32
  6. Step 6: Final answer
    x = 330,312.89

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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.