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Finding the Fourth Proportional to 1,673,919, 2,510,879.72 and 551,988

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Solution

The fourth proportional to 1,673,919, 2,510,879.72 and 551,988 is: 827,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,919 : 2,510,879.72 = 551,988 : x
  2. Step 2: Convert to fraction form
    1,673,919/2,510,879.72 = 551,988/x
  3. Step 3: Cross multiply
    1,673,919x = 2,510,879.72 × 551,988
  4. Step 4: Simplify right side
    1,673,919x = 1,385,975,472,123.42
  5. Step 5: Solve for x
    x = 1,385,975,472,123.42/1,673,919
  6. Step 6: Final answer
    x = 827,982.40

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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.