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Finding the Fourth Proportional to 532,446.33, 734,805.87 and 290,751.45

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Solution

The fourth proportional to 532,446.33, 734,805.87 and 290,751.45 is: 401,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,446.33 : 734,805.87 = 290,751.45 : x
  2. Step 2: Convert to fraction form
    532,446.33/734,805.87 = 290,751.45/x
  3. Step 3: Cross multiply
    532,446.33x = 734,805.87 × 290,751.45
  4. Step 4: Simplify right side
    532,446.33x = 213,645,872,171.01
  5. Step 5: Solve for x
    x = 213,645,872,171.01/532,446.33
  6. Step 6: Final answer
    x = 401,253.35

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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.