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Finding the Fourth Proportional to 622,649.36, 933,399.56 and 243,828.08

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Solution

The fourth proportional to 622,649.36, 933,399.56 and 243,828.08 is: 365,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,649.36 : 933,399.56 = 243,828.08 : x
  2. Step 2: Convert to fraction form
    622,649.36/933,399.56 = 243,828.08/x
  3. Step 3: Cross multiply
    622,649.36x = 933,399.56 × 243,828.08
  4. Step 4: Simplify right side
    622,649.36x = 227,589,022,587.65
  5. Step 5: Solve for x
    x = 227,589,022,587.65/622,649.36
  6. Step 6: Final answer
    x = 365,517.15

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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.