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Finding the Fourth Proportional to 320,240.64, 441,924.38 and 175,039.90

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Solution

The fourth proportional to 320,240.64, 441,924.38 and 175,039.90 is: 241,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,240.64 : 441,924.38 = 175,039.90 : x
  2. Step 2: Convert to fraction form
    320,240.64/441,924.38 = 175,039.90/x
  3. Step 3: Cross multiply
    320,240.64x = 441,924.38 × 175,039.90
  4. Step 4: Simplify right side
    320,240.64x = 77,354,398,615.55
  5. Step 5: Solve for x
    x = 77,354,398,615.55/320,240.64
  6. Step 6: Final answer
    x = 241,550.85

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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.