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Finding the Fourth Proportional to 400,686.41, 600,075.49 and 231,850.92

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Solution

The fourth proportional to 400,686.41, 600,075.49 and 231,850.92 is: 347,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,686.41 : 600,075.49 = 231,850.92 : x
  2. Step 2: Convert to fraction form
    400,686.41/600,075.49 = 231,850.92/x
  3. Step 3: Cross multiply
    400,686.41x = 600,075.49 × 231,850.92
  4. Step 4: Simplify right side
    400,686.41x = 139,128,054,425.95
  5. Step 5: Solve for x
    x = 139,128,054,425.95/400,686.41
  6. Step 6: Final answer
    x = 347,224.29

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1.5x scale

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.