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Finding the Fourth Proportional to 532,323.11, 734,617.01 and 290,615.87

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Solution

The fourth proportional to 532,323.11, 734,617.01 and 290,615.87 is: 401,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,323.11 : 734,617.01 = 290,615.87 : x
  2. Step 2: Convert to fraction form
    532,323.11/734,617.01 = 290,615.87/x
  3. Step 3: Cross multiply
    532,323.11x = 734,617.01 × 290,615.87
  4. Step 4: Simplify right side
    532,323.11x = 213,491,364,041.03
  5. Step 5: Solve for x
    x = 213,491,364,041.03/532,323.11
  6. Step 6: Final answer
    x = 401,055.97

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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.