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Finding the Fourth Proportional to 1,783,512, 2,675,617.92 and 786,240

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Solution

The fourth proportional to 1,783,512, 2,675,617.92 and 786,240 is: 1,179,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,512 : 2,675,617.92 = 786,240 : x
  2. Step 2: Convert to fraction form
    1,783,512/2,675,617.92 = 786,240/x
  3. Step 3: Cross multiply
    1,783,512x = 2,675,617.92 × 786,240
  4. Step 4: Simplify right side
    1,783,512x = 2,103,677,833,420.80
  5. Step 5: Solve for x
    x = 2,103,677,833,420.80/1,783,512
  6. Step 6: Final answer
    x = 1,179,514.26

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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.