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Finding the Fourth Proportional to 430,174, 593,612.04 and 239,180.56

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Solution

The fourth proportional to 430,174, 593,612.04 and 239,180.56 is: 330,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,174 : 593,612.04 = 239,180.56 : x
  2. Step 2: Convert to fraction form
    430,174/593,612.04 = 239,180.56/x
  3. Step 3: Cross multiply
    430,174x = 593,612.04 × 239,180.56
  4. Step 4: Simplify right side
    430,174x = 141,980,460,149.94
  5. Step 5: Solve for x
    x = 141,980,460,149.94/430,174
  6. Step 6: Final answer
    x = 330,053.56

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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.