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Finding the Fourth Proportional to 532,481.73, 734,854.65 and 290,786.77

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Solution

The fourth proportional to 532,481.73, 734,854.65 and 290,786.77 is: 401,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,481.73 : 734,854.65 = 290,786.77 : x
  2. Step 2: Convert to fraction form
    532,481.73/734,854.65 = 290,786.77/x
  3. Step 3: Cross multiply
    532,481.73x = 734,854.65 × 290,786.77
  4. Step 4: Simplify right side
    532,481.73x = 213,686,010,092.98
  5. Step 5: Solve for x
    x = 213,686,010,092.98/532,481.73
  6. Step 6: Final answer
    x = 401,302.05

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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.