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Finding the Fourth Proportional to 430,151.40, 593,612.82 and 239,159.88

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Solution

The fourth proportional to 430,151.40, 593,612.82 and 239,159.88 is: 330,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,151.40 : 593,612.82 = 239,159.88 : x
  2. Step 2: Convert to fraction form
    430,151.40/593,612.82 = 239,159.88/x
  3. Step 3: Cross multiply
    430,151.40x = 593,612.82 × 239,159.88
  4. Step 4: Simplify right side
    430,151.40x = 141,968,370,797.66
  5. Step 5: Solve for x
    x = 141,968,370,797.66/430,151.40
  6. Step 6: Final answer
    x = 330,042.80

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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.