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Finding the Fourth Proportional to 447,055.56, 616,924.34 and 245,851.56

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Solution

The fourth proportional to 447,055.56, 616,924.34 and 245,851.56 is: 339,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,055.56 : 616,924.34 = 245,851.56 : x
  2. Step 2: Convert to fraction form
    447,055.56/616,924.34 = 245,851.56/x
  3. Step 3: Cross multiply
    447,055.56x = 616,924.34 × 245,851.56
  4. Step 4: Simplify right side
    447,055.56x = 151,671,811,390.97
  5. Step 5: Solve for x
    x = 151,671,811,390.97/447,055.56
  6. Step 6: Final answer
    x = 339,268.37

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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.