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Finding the Fourth Proportional to 477,393.94, 658,820.55 and 262,550.62

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Solution

The fourth proportional to 477,393.94, 658,820.55 and 262,550.62 is: 362,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,393.94 : 658,820.55 = 262,550.62 : x
  2. Step 2: Convert to fraction form
    477,393.94/658,820.55 = 262,550.62/x
  3. Step 3: Cross multiply
    477,393.94x = 658,820.55 × 262,550.62
  4. Step 4: Simplify right side
    477,393.94x = 172,973,743,871.24
  5. Step 5: Solve for x
    x = 172,973,743,871.24/477,393.94
  6. Step 6: Final answer
    x = 362,329.16

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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.