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Finding the Fourth Proportional to 430,292.30, 593,794.94 and 239,301.59

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Solution

The fourth proportional to 430,292.30, 593,794.94 and 239,301.59 is: 330,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,292.30 : 593,794.94 = 239,301.59 : x
  2. Step 2: Convert to fraction form
    430,292.30/593,794.94 = 239,301.59/x
  3. Step 3: Cross multiply
    430,292.30x = 593,794.94 × 239,301.59
  4. Step 4: Simplify right side
    430,292.30x = 142,096,069,110.47
  5. Step 5: Solve for x
    x = 142,096,069,110.47/430,292.30
  6. Step 6: Final answer
    x = 330,231.50

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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.