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Finding the Fourth Proportional to 417,179.20, 575,703.83 and 235,926.71

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Solution

The fourth proportional to 417,179.20, 575,703.83 and 235,926.71 is: 325,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,179.20 : 575,703.83 = 235,926.71 : x
  2. Step 2: Convert to fraction form
    417,179.20/575,703.83 = 235,926.71/x
  3. Step 3: Cross multiply
    417,179.20x = 575,703.83 × 235,926.71
  4. Step 4: Simplify right side
    417,179.20x = 135,823,909,366.67
  5. Step 5: Solve for x
    x = 135,823,909,366.67/417,179.20
  6. Step 6: Final answer
    x = 325,576.90

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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.