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Finding the Fourth Proportional to 477,215.01, 658,539.92 and 262,353.50

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Solution

The fourth proportional to 477,215.01, 658,539.92 and 262,353.50 is: 362,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,215.01 : 658,539.92 = 262,353.50 : x
  2. Step 2: Convert to fraction form
    477,215.01/658,539.92 = 262,353.50/x
  3. Step 3: Cross multiply
    477,215.01x = 658,539.92 × 262,353.50
  4. Step 4: Simplify right side
    477,215.01x = 172,770,248,297.25
  5. Step 5: Solve for x
    x = 172,770,248,297.25/477,215.01
  6. Step 6: Final answer
    x = 362,038.59

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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.