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Finding the Fourth Proportional to 532,540.54, 734,808.75 and 303,084.39

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Solution

The fourth proportional to 532,540.54, 734,808.75 and 303,084.39 is: 418,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,540.54 : 734,808.75 = 303,084.39 : x
  2. Step 2: Convert to fraction form
    532,540.54/734,808.75 = 303,084.39/x
  3. Step 3: Cross multiply
    532,540.54x = 734,808.75 × 303,084.39
  4. Step 4: Simplify right side
    532,540.54x = 222,709,063,379.38
  5. Step 5: Solve for x
    x = 222,709,063,379.38/532,540.54
  6. Step 6: Final answer
    x = 418,201.14

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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.