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Finding the Fourth Proportional to 577,618.29, 866,058.38 and 277,501.75

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Solution

The fourth proportional to 577,618.29, 866,058.38 and 277,501.75 is: 416,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,618.29 : 866,058.38 = 277,501.75 : x
  2. Step 2: Convert to fraction form
    577,618.29/866,058.38 = 277,501.75/x
  3. Step 3: Cross multiply
    577,618.29x = 866,058.38 × 277,501.75
  4. Step 4: Simplify right side
    577,618.29x = 240,332,713,540.14
  5. Step 5: Solve for x
    x = 240,332,713,540.14/577,618.29
  6. Step 6: Final answer
    x = 416,075.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.