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Finding the Fourth Proportional to 993,370, 1,370,850.60 and 540,664.24

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Solution

The fourth proportional to 993,370, 1,370,850.60 and 540,664.24 is: 746,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,370 : 1,370,850.60 = 540,664.24 : x
  2. Step 2: Convert to fraction form
    993,370/1,370,850.60 = 540,664.24/x
  3. Step 3: Cross multiply
    993,370x = 1,370,850.60 × 540,664.24
  4. Step 4: Simplify right side
    993,370x = 741,169,897,802.54
  5. Step 5: Solve for x
    x = 741,169,897,802.54/993,370
  6. Step 6: Final answer
    x = 746,116.65

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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.