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Finding the Fourth Proportional to 599,538.60, 899,930.80 and 401,244.64

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Solution

The fourth proportional to 599,538.60, 899,930.80 and 401,244.64 is: 602,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,538.60 : 899,930.80 = 401,244.64 : x
  2. Step 2: Convert to fraction form
    599,538.60/899,930.80 = 401,244.64/x
  3. Step 3: Cross multiply
    599,538.60x = 899,930.80 × 401,244.64
  4. Step 4: Simplify right side
    599,538.60x = 361,092,409,870.91
  5. Step 5: Solve for x
    x = 361,092,409,870.91/599,538.60
  6. Step 6: Final answer
    x = 602,283.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.