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Finding the Fourth Proportional to 532,321.37, 734,614.60 and 290,614.13

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Solution

The fourth proportional to 532,321.37, 734,614.60 and 290,614.13 is: 401,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,321.37 : 734,614.60 = 290,614.13 : x
  2. Step 2: Convert to fraction form
    532,321.37/734,614.60 = 290,614.13/x
  3. Step 3: Cross multiply
    532,321.37x = 734,614.60 × 290,614.13
  4. Step 4: Simplify right side
    532,321.37x = 213,489,379,191.23
  5. Step 5: Solve for x
    x = 213,489,379,191.23/532,321.37
  6. Step 6: Final answer
    x = 401,053.56

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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.