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Finding the Fourth Proportional to 1,195,225, 1,649,410.54 and 658,681

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Solution

The fourth proportional to 1,195,225, 1,649,410.54 and 658,681 is: 908,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,225 : 1,649,410.54 = 658,681 : x
  2. Step 2: Convert to fraction form
    1,195,225/1,649,410.54 = 658,681/x
  3. Step 3: Cross multiply
    1,195,225x = 1,649,410.54 × 658,681
  4. Step 4: Simplify right side
    1,195,225x = 1,086,435,383,897.74
  5. Step 5: Solve for x
    x = 1,086,435,383,897.74/1,195,225
  6. Step 6: Final answer
    x = 908,979.80

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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.