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Finding the Fourth Proportional to 367,388.70, 551,083.05 and 365,055.90

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Solution

The fourth proportional to 367,388.70, 551,083.05 and 365,055.90 is: 547,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,388.70 : 551,083.05 = 365,055.90 : x
  2. Step 2: Convert to fraction form
    367,388.70/551,083.05 = 365,055.90/x
  3. Step 3: Cross multiply
    367,388.70x = 551,083.05 × 365,055.90
  4. Step 4: Simplify right side
    367,388.70x = 201,176,118,792.50
  5. Step 5: Solve for x
    x = 201,176,118,792.50/367,388.70
  6. Step 6: Final answer
    x = 547,583.85

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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.