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Finding the Fourth Proportional to 477,385.94, 658,774.27 and 262,513.19

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Solution

The fourth proportional to 477,385.94, 658,774.27 and 262,513.19 is: 362,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,385.94 : 658,774.27 = 262,513.19 : x
  2. Step 2: Convert to fraction form
    477,385.94/658,774.27 = 262,513.19/x
  3. Step 3: Cross multiply
    477,385.94x = 658,774.27 × 262,513.19
  4. Step 4: Simplify right side
    477,385.94x = 172,936,935,107.62
  5. Step 5: Solve for x
    x = 172,936,935,107.62/477,385.94
  6. Step 6: Final answer
    x = 362,258.12

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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.