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Finding the Fourth Proportional to 1,174,600.35, 1,640,897.55 and 1,174,600.35

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Solution

The fourth proportional to 1,174,600.35, 1,640,897.55 and 1,174,600.35 is: 1,640,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,600.35 : 1,640,897.55 = 1,174,600.35 : x
  2. Step 2: Convert to fraction form
    1,174,600.35/1,640,897.55 = 1,174,600.35/x
  3. Step 3: Cross multiply
    1,174,600.35x = 1,640,897.55 × 1,174,600.35
  4. Step 4: Simplify right side
    1,174,600.35x = 1,927,398,836,544.14
  5. Step 5: Solve for x
    x = 1,927,398,836,544.14/1,174,600.35
  6. Step 6: Final answer
    x = 1,640,897.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.