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Finding the Fourth Proportional to 2,993,873.82, 4,490,746.26 and 834,841.40

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Solution

The fourth proportional to 2,993,873.82, 4,490,746.26 and 834,841.40 is: 1,252,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,873.82 : 4,490,746.26 = 834,841.40 : x
  2. Step 2: Convert to fraction form
    2,993,873.82/4,490,746.26 = 834,841.40/x
  3. Step 3: Cross multiply
    2,993,873.82x = 4,490,746.26 × 834,841.40
  4. Step 4: Simplify right side
    2,993,873.82x = 3,749,060,869,158.78
  5. Step 5: Solve for x
    x = 3,749,060,869,158.78/2,993,873.82
  6. Step 6: Final answer
    x = 1,252,244.12

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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.