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Finding the Fourth Proportional to 532,662.11, 735,069.34 and 290,944.83

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Solution

The fourth proportional to 532,662.11, 735,069.34 and 290,944.83 is: 401,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,662.11 : 735,069.34 = 290,944.83 : x
  2. Step 2: Convert to fraction form
    532,662.11/735,069.34 = 290,944.83/x
  3. Step 3: Cross multiply
    532,662.11x = 735,069.34 × 290,944.83
  4. Step 4: Simplify right side
    532,662.11x = 213,864,622,709.79
  5. Step 5: Solve for x
    x = 213,864,622,709.79/532,662.11
  6. Step 6: Final answer
    x = 401,501.48

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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.