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Finding the Fourth Proportional to 532,322.86, 734,616.67 and 290,615.62

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Solution

The fourth proportional to 532,322.86, 734,616.67 and 290,615.62 is: 401,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,322.86 : 734,616.67 = 290,615.62 : x
  2. Step 2: Convert to fraction form
    532,322.86/734,616.67 = 290,615.62/x
  3. Step 3: Cross multiply
    532,322.86x = 734,616.67 × 290,615.62
  4. Step 4: Simplify right side
    532,322.86x = 213,491,079,014.39
  5. Step 5: Solve for x
    x = 213,491,079,014.39/532,322.86
  6. Step 6: Final answer
    x = 401,055.63

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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.