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Finding the Fourth Proportional to 444,259.28, 613,091.86 and 243,055.28

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Solution

The fourth proportional to 444,259.28, 613,091.86 and 243,055.28 is: 335,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,259.28 : 613,091.86 = 243,055.28 : x
  2. Step 2: Convert to fraction form
    444,259.28/613,091.86 = 243,055.28/x
  3. Step 3: Cross multiply
    444,259.28x = 613,091.86 × 243,055.28
  4. Step 4: Simplify right side
    444,259.28x = 149,015,213,698.02
  5. Step 5: Solve for x
    x = 149,015,213,698.02/444,259.28
  6. Step 6: Final answer
    x = 335,423.98

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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.