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Finding the Fourth Proportional to 430,153.56, 593,608.62 and 239,165.28

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Solution

The fourth proportional to 430,153.56, 593,608.62 and 239,165.28 is: 330,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,153.56 : 593,608.62 = 239,165.28 : x
  2. Step 2: Convert to fraction form
    430,153.56/593,608.62 = 239,165.28/x
  3. Step 3: Cross multiply
    430,153.56x = 593,608.62 × 239,165.28
  4. Step 4: Simplify right side
    430,153.56x = 141,970,571,812.71
  5. Step 5: Solve for x
    x = 141,970,571,812.71/430,153.56
  6. Step 6: Final answer
    x = 330,046.26

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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.