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Finding the Fourth Proportional to 335,718.60, 503,577.90 and 193,806.60

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Solution

The fourth proportional to 335,718.60, 503,577.90 and 193,806.60 is: 290,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,718.60 : 503,577.90 = 193,806.60 : x
  2. Step 2: Convert to fraction form
    335,718.60/503,577.90 = 193,806.60/x
  3. Step 3: Cross multiply
    335,718.60x = 503,577.90 × 193,806.60
  4. Step 4: Simplify right side
    335,718.60x = 97,596,720,634.14
  5. Step 5: Solve for x
    x = 97,596,720,634.14/335,718.60
  6. Step 6: Final answer
    x = 290,709.90

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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.