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Finding the Fourth Proportional to 313,773.88, 433,008 and 170,533.92

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Solution

The fourth proportional to 313,773.88, 433,008 and 170,533.92 is: 235,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,773.88 : 433,008 = 170,533.92 : x
  2. Step 2: Convert to fraction form
    313,773.88/433,008 = 170,533.92/x
  3. Step 3: Cross multiply
    313,773.88x = 433,008 × 170,533.92
  4. Step 4: Simplify right side
    313,773.88x = 73,842,551,631.36
  5. Step 5: Solve for x
    x = 73,842,551,631.36/313,773.88
  6. Step 6: Final answer
    x = 235,336.83

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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.