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Finding the Fourth Proportional to 335,235.55, 502,300.29 and 193,200.12

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Solution

The fourth proportional to 335,235.55, 502,300.29 and 193,200.12 is: 289,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,235.55 : 502,300.29 = 193,200.12 : x
  2. Step 2: Convert to fraction form
    335,235.55/502,300.29 = 193,200.12/x
  3. Step 3: Cross multiply
    335,235.55x = 502,300.29 × 193,200.12
  4. Step 4: Simplify right side
    335,235.55x = 97,044,476,304.03
  5. Step 5: Solve for x
    x = 97,044,476,304.03/335,235.55
  6. Step 6: Final answer
    x = 289,481.46

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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.