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Finding the Fourth Proportional to 444,342.64, 613,208.28 and 243,157.36

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Solution

The fourth proportional to 444,342.64, 613,208.28 and 243,157.36 is: 335,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,342.64 : 613,208.28 = 243,157.36 : x
  2. Step 2: Convert to fraction form
    444,342.64/613,208.28 = 243,157.36/x
  3. Step 3: Cross multiply
    444,342.64x = 613,208.28 × 243,157.36
  4. Step 4: Simplify right side
    444,342.64x = 149,106,106,494.94
  5. Step 5: Solve for x
    x = 149,106,106,494.94/444,342.64
  6. Step 6: Final answer
    x = 335,565.60

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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.