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Finding the Fourth Proportional to 368,148.60, 551,445.30 and 368,148.60

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Solution

The fourth proportional to 368,148.60, 551,445.30 and 368,148.60 is: 551,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,148.60 : 551,445.30 = 368,148.60 : x
  2. Step 2: Convert to fraction form
    368,148.60/551,445.30 = 368,148.60/x
  3. Step 3: Cross multiply
    368,148.60x = 551,445.30 × 368,148.60
  4. Step 4: Simplify right side
    368,148.60x = 203,013,815,171.58
  5. Step 5: Solve for x
    x = 203,013,815,171.58/368,148.60
  6. Step 6: Final answer
    x = 551,445.30

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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.