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Finding the Fourth Proportional to 430,173, 593,610.66 and 239,179.56

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Solution

The fourth proportional to 430,173, 593,610.66 and 239,179.56 is: 330,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,173 : 593,610.66 = 239,179.56 : x
  2. Step 2: Convert to fraction form
    430,173/593,610.66 = 239,179.56/x
  3. Step 3: Cross multiply
    430,173x = 593,610.66 × 239,179.56
  4. Step 4: Simplify right side
    430,173x = 141,979,536,470.11
  5. Step 5: Solve for x
    x = 141,979,536,470.11/430,173
  6. Step 6: Final answer
    x = 330,052.18

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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.