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Finding the Fourth Proportional to 425,574.95, 638,514.87 and 182,313.98

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Solution

The fourth proportional to 425,574.95, 638,514.87 and 182,313.98 is: 273,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,574.95 : 638,514.87 = 182,313.98 : x
  2. Step 2: Convert to fraction form
    425,574.95/638,514.87 = 182,313.98/x
  3. Step 3: Cross multiply
    425,574.95x = 638,514.87 × 182,313.98
  4. Step 4: Simplify right side
    425,574.95x = 116,410,183,134.74
  5. Step 5: Solve for x
    x = 116,410,183,134.74/425,574.95
  6. Step 6: Final answer
    x = 273,536.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.