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Finding the Fourth Proportional to 430,287.66, 593,751.51 and 239,270.22

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Solution

The fourth proportional to 430,287.66, 593,751.51 and 239,270.22 is: 330,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,287.66 : 593,751.51 = 239,270.22 : x
  2. Step 2: Convert to fraction form
    430,287.66/593,751.51 = 239,270.22/x
  3. Step 3: Cross multiply
    430,287.66x = 593,751.51 × 239,270.22
  4. Step 4: Simplify right side
    430,287.66x = 142,067,054,423.03
  5. Step 5: Solve for x
    x = 142,067,054,423.03/430,287.66
  6. Step 6: Final answer
    x = 330,167.62

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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.