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Finding the Fourth Proportional to 477,274.59, 658,638.99 and 262,429.20

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Solution

The fourth proportional to 477,274.59, 658,638.99 and 262,429.20 is: 362,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,274.59 : 658,638.99 = 262,429.20 : x
  2. Step 2: Convert to fraction form
    477,274.59/658,638.99 = 262,429.20/x
  3. Step 3: Cross multiply
    477,274.59x = 658,638.99 × 262,429.20
  4. Step 4: Simplify right side
    477,274.59x = 172,846,103,234.51
  5. Step 5: Solve for x
    x = 172,846,103,234.51/477,274.59
  6. Step 6: Final answer
    x = 362,152.33

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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.