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Finding the Fourth Proportional to 602,615.80, 904,282.10 and 228,676.60

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Solution

The fourth proportional to 602,615.80, 904,282.10 and 228,676.60 is: 343,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,615.80 : 904,282.10 = 228,676.60 : x
  2. Step 2: Convert to fraction form
    602,615.80/904,282.10 = 228,676.60/x
  3. Step 3: Cross multiply
    602,615.80x = 904,282.10 × 228,676.60
  4. Step 4: Simplify right side
    602,615.80x = 206,788,156,068.86
  5. Step 5: Solve for x
    x = 206,788,156,068.86/602,615.80
  6. Step 6: Final answer
    x = 343,150.90

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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.