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Finding the Fourth Proportional to 579,568.79, 868,739.60 and 194,951.50

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Solution

The fourth proportional to 579,568.79, 868,739.60 and 194,951.50 is: 292,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,568.79 : 868,739.60 = 194,951.50 : x
  2. Step 2: Convert to fraction form
    579,568.79/868,739.60 = 194,951.50/x
  3. Step 3: Cross multiply
    579,568.79x = 868,739.60 × 194,951.50
  4. Step 4: Simplify right side
    579,568.79x = 169,362,088,129.40
  5. Step 5: Solve for x
    x = 169,362,088,129.40/579,568.79
  6. Step 6: Final answer
    x = 292,220.86

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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.