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Finding the Fourth Proportional to 417,179.70, 575,704.51 and 235,927.21

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Solution

The fourth proportional to 417,179.70, 575,704.51 and 235,927.21 is: 325,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,179.70 : 575,704.51 = 235,927.21 : x
  2. Step 2: Convert to fraction form
    417,179.70/575,704.51 = 235,927.21/x
  3. Step 3: Cross multiply
    417,179.70x = 575,704.51 × 235,927.21
  4. Step 4: Simplify right side
    417,179.70x = 135,824,358,828.72
  5. Step 5: Solve for x
    x = 135,824,358,828.72/417,179.70
  6. Step 6: Final answer
    x = 325,577.58

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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.