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Finding the Fourth Proportional to 444,461.76, 613,333.60 and 243,218.88

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Solution

The fourth proportional to 444,461.76, 613,333.60 and 243,218.88 is: 335,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,461.76 : 613,333.60 = 243,218.88 : x
  2. Step 2: Convert to fraction form
    444,461.76/613,333.60 = 243,218.88/x
  3. Step 3: Cross multiply
    444,461.76x = 613,333.60 × 243,218.88
  4. Step 4: Simplify right side
    444,461.76x = 149,174,311,258.37
  5. Step 5: Solve for x
    x = 149,174,311,258.37/444,461.76
  6. Step 6: Final answer
    x = 335,629.12

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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.