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Finding the Fourth Proportional to 430,676.46, 594,332.91 and 239,685.30

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Solution

The fourth proportional to 430,676.46, 594,332.91 and 239,685.30 is: 330,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,676.46 : 594,332.91 = 239,685.30 : x
  2. Step 2: Convert to fraction form
    430,676.46/594,332.91 = 239,685.30/x
  3. Step 3: Cross multiply
    430,676.46x = 594,332.91 × 239,685.30
  4. Step 4: Simplify right side
    430,676.46x = 142,452,861,833.22
  5. Step 5: Solve for x
    x = 142,452,861,833.22/430,676.46
  6. Step 6: Final answer
    x = 330,765.38

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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.