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Finding the Fourth Proportional to 1,195,088, 1,649,256 and 658,578.56

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Solution

The fourth proportional to 1,195,088, 1,649,256 and 658,578.56 is: 908,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,088 : 1,649,256 = 658,578.56 : x
  2. Step 2: Convert to fraction form
    1,195,088/1,649,256 = 658,578.56/x
  3. Step 3: Cross multiply
    1,195,088x = 1,649,256 × 658,578.56
  4. Step 4: Simplify right side
    1,195,088x = 1,086,164,641,551.36
  5. Step 5: Solve for x
    x = 1,086,164,641,551.36/1,195,088
  6. Step 6: Final answer
    x = 908,857.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.