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Finding the Fourth Proportional to 573,623.01, 791,600.42 and 318,968.73

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Solution

The fourth proportional to 573,623.01, 791,600.42 and 318,968.73 is: 440,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,623.01 : 791,600.42 = 318,968.73 : x
  2. Step 2: Convert to fraction form
    573,623.01/791,600.42 = 318,968.73/x
  3. Step 3: Cross multiply
    573,623.01x = 791,600.42 × 318,968.73
  4. Step 4: Simplify right side
    573,623.01x = 252,495,779,040.02
  5. Step 5: Solve for x
    x = 252,495,779,040.02/573,623.01
  6. Step 6: Final answer
    x = 440,177.22

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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.