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Finding the Fourth Proportional to 430,296.30, 593,800.46 and 239,305.58

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Solution

The fourth proportional to 430,296.30, 593,800.46 and 239,305.58 is: 330,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,296.30 : 593,800.46 = 239,305.58 : x
  2. Step 2: Convert to fraction form
    430,296.30/593,800.46 = 239,305.58/x
  3. Step 3: Cross multiply
    430,296.30x = 593,800.46 × 239,305.58
  4. Step 4: Simplify right side
    430,296.30x = 142,099,763,484.57
  5. Step 5: Solve for x
    x = 142,099,763,484.57/430,296.30
  6. Step 6: Final answer
    x = 330,237.01

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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.