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Finding the Fourth Proportional to 414,992.39, 572,681.72 and 253,835.60

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Solution

The fourth proportional to 414,992.39, 572,681.72 and 253,835.60 is: 350,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,992.39 : 572,681.72 = 253,835.60 : x
  2. Step 2: Convert to fraction form
    414,992.39/572,681.72 = 253,835.60/x
  3. Step 3: Cross multiply
    414,992.39x = 572,681.72 × 253,835.60
  4. Step 4: Simplify right side
    414,992.39x = 145,367,008,005.23
  5. Step 5: Solve for x
    x = 145,367,008,005.23/414,992.39
  6. Step 6: Final answer
    x = 350,288.37

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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.