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Finding the Fourth Proportional to 602,620.80, 904,289.60 and 228,681.60

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Solution

The fourth proportional to 602,620.80, 904,289.60 and 228,681.60 is: 343,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,620.80 : 904,289.60 = 228,681.60 : x
  2. Step 2: Convert to fraction form
    602,620.80/904,289.60 = 228,681.60/x
  3. Step 3: Cross multiply
    602,620.80x = 904,289.60 × 228,681.60
  4. Step 4: Simplify right side
    602,620.80x = 206,794,392,591.36
  5. Step 5: Solve for x
    x = 206,794,392,591.36/602,620.80
  6. Step 6: Final answer
    x = 343,158.41

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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.