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Finding the Fourth Proportional to 477,448.96, 658,879.80 and 262,603.60

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Solution

The fourth proportional to 477,448.96, 658,879.80 and 262,603.60 is: 362,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,448.96 : 658,879.80 = 262,603.60 : x
  2. Step 2: Convert to fraction form
    477,448.96/658,879.80 = 262,603.60/x
  3. Step 3: Cross multiply
    477,448.96x = 658,879.80 × 262,603.60
  4. Step 4: Simplify right side
    477,448.96x = 173,024,207,447.28
  5. Step 5: Solve for x
    x = 173,024,207,447.28/477,448.96
  6. Step 6: Final answer
    x = 362,393.10

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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.