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Finding the Fourth Proportional to 582,877.20, 874,056.60 and 267,430.80

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Solution

The fourth proportional to 582,877.20, 874,056.60 and 267,430.80 is: 401,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,877.20 : 874,056.60 = 267,430.80 : x
  2. Step 2: Convert to fraction form
    582,877.20/874,056.60 = 267,430.80/x
  3. Step 3: Cross multiply
    582,877.20x = 874,056.60 × 267,430.80
  4. Step 4: Simplify right side
    582,877.20x = 233,749,655,783.28
  5. Step 5: Solve for x
    x = 233,749,655,783.28/582,877.20
  6. Step 6: Final answer
    x = 401,027.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.