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Finding the Fourth Proportional to 1,956,836.40, 2,935,254.60 and 946,442.40

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Solution

The fourth proportional to 1,956,836.40, 2,935,254.60 and 946,442.40 is: 1,419,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,836.40 : 2,935,254.60 = 946,442.40 : x
  2. Step 2: Convert to fraction form
    1,956,836.40/2,935,254.60 = 946,442.40/x
  3. Step 3: Cross multiply
    1,956,836.40x = 2,935,254.60 × 946,442.40
  4. Step 4: Simplify right side
    1,956,836.40x = 2,778,049,408,235.04
  5. Step 5: Solve for x
    x = 2,778,049,408,235.04/1,956,836.40
  6. Step 6: Final answer
    x = 1,419,663.60

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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.