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Finding the Fourth Proportional to 430,093.56, 593,235.18 and 394,401.72

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Solution

The fourth proportional to 430,093.56, 593,235.18 and 394,401.72 is: 544,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,093.56 : 593,235.18 = 394,401.72 : x
  2. Step 2: Convert to fraction form
    430,093.56/593,235.18 = 394,401.72/x
  3. Step 3: Cross multiply
    430,093.56x = 593,235.18 × 394,401.72
  4. Step 4: Simplify right side
    430,093.56x = 233,972,975,356.51
  5. Step 5: Solve for x
    x = 233,972,975,356.51/430,093.56
  6. Step 6: Final answer
    x = 544,004.83

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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.