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Finding the Fourth Proportional to 602,333.55, 902,540.61 and 318,012.62

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Solution

The fourth proportional to 602,333.55, 902,540.61 and 318,012.62 is: 476,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,333.55 : 902,540.61 = 318,012.62 : x
  2. Step 2: Convert to fraction form
    602,333.55/902,540.61 = 318,012.62/x
  3. Step 3: Cross multiply
    602,333.55x = 902,540.61 × 318,012.62
  4. Step 4: Simplify right side
    602,333.55x = 287,019,299,529.80
  5. Step 5: Solve for x
    x = 287,019,299,529.80/602,333.55
  6. Step 6: Final answer
    x = 476,512.22

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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.