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Finding the Fourth Proportional to 477,530.60, 658,978.34 and 262,670.61

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Solution

The fourth proportional to 477,530.60, 658,978.34 and 262,670.61 is: 362,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,530.60 : 658,978.34 = 262,670.61 : x
  2. Step 2: Convert to fraction form
    477,530.60/658,978.34 = 262,670.61/x
  3. Step 3: Cross multiply
    477,530.60x = 658,978.34 × 262,670.61
  4. Step 4: Simplify right side
    477,530.60x = 173,094,241,231.23
  5. Step 5: Solve for x
    x = 173,094,241,231.23/477,530.60
  6. Step 6: Final answer
    x = 362,477.80

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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.