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Finding the Fourth Proportional to 942,818.40, 1,412,672.40 and 802,850.40

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Solution

The fourth proportional to 942,818.40, 1,412,672.40 and 802,850.40 is: 1,202,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,818.40 : 1,412,672.40 = 802,850.40 : x
  2. Step 2: Convert to fraction form
    942,818.40/1,412,672.40 = 802,850.40/x
  3. Step 3: Cross multiply
    942,818.40x = 1,412,672.40 × 802,850.40
  4. Step 4: Simplify right side
    942,818.40x = 1,134,164,601,408.96
  5. Step 5: Solve for x
    x = 1,134,164,601,408.96/942,818.40
  6. Step 6: Final answer
    x = 1,202,951.28

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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.