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Finding the Fourth Proportional to 368,072.46, 551,222.52 and 249,383.94

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Solution

The fourth proportional to 368,072.46, 551,222.52 and 249,383.94 is: 373,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,072.46 : 551,222.52 = 249,383.94 : x
  2. Step 2: Convert to fraction form
    368,072.46/551,222.52 = 249,383.94/x
  3. Step 3: Cross multiply
    368,072.46x = 551,222.52 × 249,383.94
  4. Step 4: Simplify right side
    368,072.46x = 137,466,043,854.33
  5. Step 5: Solve for x
    x = 137,466,043,854.33/368,072.46
  6. Step 6: Final answer
    x = 373,475.49

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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.