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Finding the Fourth Proportional to 705,058.99, 972,993.13 and 382,769.14

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Solution

The fourth proportional to 705,058.99, 972,993.13 and 382,769.14 is: 528,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,058.99 : 972,993.13 = 382,769.14 : x
  2. Step 2: Convert to fraction form
    705,058.99/972,993.13 = 382,769.14/x
  3. Step 3: Cross multiply
    705,058.99x = 972,993.13 × 382,769.14
  4. Step 4: Simplify right side
    705,058.99x = 372,431,743,596.01
  5. Step 5: Solve for x
    x = 372,431,743,596.01/705,058.99
  6. Step 6: Final answer
    x = 528,227.78

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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.