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Finding the Fourth Proportional to 560,268.79, 840,239.15 and 223,197.41

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Solution

The fourth proportional to 560,268.79, 840,239.15 and 223,197.41 is: 334,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,268.79 : 840,239.15 = 223,197.41 : x
  2. Step 2: Convert to fraction form
    560,268.79/840,239.15 = 223,197.41/x
  3. Step 3: Cross multiply
    560,268.79x = 840,239.15 × 223,197.41
  4. Step 4: Simplify right side
    560,268.79x = 187,539,202,060.60
  5. Step 5: Solve for x
    x = 187,539,202,060.60/560,268.79
  6. Step 6: Final answer
    x = 334,730.77

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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.