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Finding the Fourth Proportional to 534,616.74, 737,771.67 and 289,602.07

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Solution

The fourth proportional to 534,616.74, 737,771.67 and 289,602.07 is: 399,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,616.74 : 737,771.67 = 289,602.07 : x
  2. Step 2: Convert to fraction form
    534,616.74/737,771.67 = 289,602.07/x
  3. Step 3: Cross multiply
    534,616.74x = 737,771.67 × 289,602.07
  4. Step 4: Simplify right side
    534,616.74x = 213,660,200,974.93
  5. Step 5: Solve for x
    x = 213,660,200,974.93/534,616.74
  6. Step 6: Final answer
    x = 399,651.16

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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.