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Finding the Fourth Proportional to 316,699.44, 475,052.24 and 253,362.22

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Solution

The fourth proportional to 316,699.44, 475,052.24 and 253,362.22 is: 380,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,699.44 : 475,052.24 = 253,362.22 : x
  2. Step 2: Convert to fraction form
    316,699.44/475,052.24 = 253,362.22/x
  3. Step 3: Cross multiply
    316,699.44x = 475,052.24 × 253,362.22
  4. Step 4: Simplify right side
    316,699.44x = 120,360,290,142.37
  5. Step 5: Solve for x
    x = 120,360,290,142.37/316,699.44
  6. Step 6: Final answer
    x = 380,045.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.