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Finding the Fourth Proportional to 532,231.35, 734,473.13 and 290,511.96

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Solution

The fourth proportional to 532,231.35, 734,473.13 and 290,511.96 is: 400,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,231.35 : 734,473.13 = 290,511.96 : x
  2. Step 2: Convert to fraction form
    532,231.35/734,473.13 = 290,511.96/x
  3. Step 3: Cross multiply
    532,231.35x = 734,473.13 × 290,511.96
  4. Step 4: Simplify right side
    532,231.35x = 213,373,228,563.64
  5. Step 5: Solve for x
    x = 213,373,228,563.64/532,231.35
  6. Step 6: Final answer
    x = 400,903.16

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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.