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Finding the Fourth Proportional to 351,247.66, 484,392.78 and 233,165.77

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Solution

The fourth proportional to 351,247.66, 484,392.78 and 233,165.77 is: 321,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,247.66 : 484,392.78 = 233,165.77 : x
  2. Step 2: Convert to fraction form
    351,247.66/484,392.78 = 233,165.77/x
  3. Step 3: Cross multiply
    351,247.66x = 484,392.78 × 233,165.77
  4. Step 4: Simplify right side
    351,247.66x = 112,943,814,320.16
  5. Step 5: Solve for x
    x = 112,943,814,320.16/351,247.66
  6. Step 6: Final answer
    x = 321,550.37

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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.