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Finding the Fourth Proportional to 532,263.96, 734,517.99 and 290,556.72

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Solution

The fourth proportional to 532,263.96, 734,517.99 and 290,556.72 is: 400,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,263.96 : 734,517.99 = 290,556.72 : x
  2. Step 2: Convert to fraction form
    532,263.96/734,517.99 = 290,556.72/x
  3. Step 3: Cross multiply
    532,263.96x = 734,517.99 × 290,556.72
  4. Step 4: Simplify right side
    532,263.96x = 213,419,137,955.39
  5. Step 5: Solve for x
    x = 213,419,137,955.39/532,263.96
  6. Step 6: Final answer
    x = 400,964.85

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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.