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Finding the Fourth Proportional to 477,435.56, 658,847.94 and 262,575.56

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Solution

The fourth proportional to 477,435.56, 658,847.94 and 262,575.56 is: 362,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,435.56 : 658,847.94 = 262,575.56 : x
  2. Step 2: Convert to fraction form
    477,435.56/658,847.94 = 262,575.56/x
  3. Step 3: Cross multiply
    477,435.56x = 658,847.94 × 262,575.56
  4. Step 4: Simplify right side
    477,435.56x = 172,997,366,800.35
  5. Step 5: Solve for x
    x = 172,997,366,800.35/477,435.56
  6. Step 6: Final answer
    x = 362,347.05

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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.