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Finding the Fourth Proportional to 992,792.48, 1,477,960 and 986,887.60

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Solution

The fourth proportional to 992,792.48, 1,477,960 and 986,887.60 is: 1,469,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,792.48 : 1,477,960 = 986,887.60 : x
  2. Step 2: Convert to fraction form
    992,792.48/1,477,960 = 986,887.60/x
  3. Step 3: Cross multiply
    992,792.48x = 1,477,960 × 986,887.60
  4. Step 4: Simplify right side
    992,792.48x = 1,458,580,397,296
  5. Step 5: Solve for x
    x = 1,458,580,397,296/992,792.48
  6. Step 6: Final answer
    x = 1,469,169.47

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.