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Finding the Fourth Proportional to 573,325.80, 791,188.74 and 318,700.68

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Solution

The fourth proportional to 573,325.80, 791,188.74 and 318,700.68 is: 439,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,325.80 : 791,188.74 = 318,700.68 : x
  2. Step 2: Convert to fraction form
    573,325.80/791,188.74 = 318,700.68/x
  3. Step 3: Cross multiply
    573,325.80x = 791,188.74 × 318,700.68
  4. Step 4: Simplify right side
    573,325.80x = 252,152,389,446.34
  5. Step 5: Solve for x
    x = 252,152,389,446.34/573,325.80
  6. Step 6: Final answer
    x = 439,806.46

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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.