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Finding the Fourth Proportional to 612,662.44, 845,349.24 and 357,964.44

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Solution

The fourth proportional to 612,662.44, 845,349.24 and 357,964.44 is: 493,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,662.44 : 845,349.24 = 357,964.44 : x
  2. Step 2: Convert to fraction form
    612,662.44/845,349.24 = 357,964.44/x
  3. Step 3: Cross multiply
    612,662.44x = 845,349.24 × 357,964.44
  4. Step 4: Simplify right side
    612,662.44x = 302,604,967,301.03
  5. Step 5: Solve for x
    x = 302,604,967,301.03/612,662.44
  6. Step 6: Final answer
    x = 493,917.94

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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.