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Finding the Fourth Proportional to 671,580.15, 926,749.62 and 365,655.60

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Solution

The fourth proportional to 671,580.15, 926,749.62 and 365,655.60 is: 504,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,580.15 : 926,749.62 = 365,655.60 : x
  2. Step 2: Convert to fraction form
    671,580.15/926,749.62 = 365,655.60/x
  3. Step 3: Cross multiply
    671,580.15x = 926,749.62 × 365,655.60
  4. Step 4: Simplify right side
    671,580.15x = 338,871,188,350.87
  5. Step 5: Solve for x
    x = 338,871,188,350.87/671,580.15
  6. Step 6: Final answer
    x = 504,587.86

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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.