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Finding the Fourth Proportional to 367,718.85, 551,578.28 and 365,386.05

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Solution

The fourth proportional to 367,718.85, 551,578.28 and 365,386.05 is: 548,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,718.85 : 551,578.28 = 365,386.05 : x
  2. Step 2: Convert to fraction form
    367,718.85/551,578.28 = 365,386.05/x
  3. Step 3: Cross multiply
    367,718.85x = 551,578.28 × 365,386.05
  4. Step 4: Simplify right side
    367,718.85x = 201,539,007,168.06
  5. Step 5: Solve for x
    x = 201,539,007,168.06/367,718.85
  6. Step 6: Final answer
    x = 548,079.08

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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.