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Finding the Fourth Proportional to 417,175.20, 575,698.30 and 235,922.72

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Solution

The fourth proportional to 417,175.20, 575,698.30 and 235,922.72 is: 325,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,175.20 : 575,698.30 = 235,922.72 : x
  2. Step 2: Convert to fraction form
    417,175.20/575,698.30 = 235,922.72/x
  3. Step 3: Cross multiply
    417,175.20x = 575,698.30 × 235,922.72
  4. Step 4: Simplify right side
    417,175.20x = 135,820,305,956.89
  5. Step 5: Solve for x
    x = 135,820,305,956.89/417,175.20
  6. Step 6: Final answer
    x = 325,571.38

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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.