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Finding the Fourth Proportional to 1,993,368.60, 2,988,724.26 and 968,425.59

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Solution

The fourth proportional to 1,993,368.60, 2,988,724.26 and 968,425.59 is: 1,451,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,368.60 : 2,988,724.26 = 968,425.59 : x
  2. Step 2: Convert to fraction form
    1,993,368.60/2,988,724.26 = 968,425.59/x
  3. Step 3: Cross multiply
    1,993,368.60x = 2,988,724.26 × 968,425.59
  4. Step 4: Simplify right side
    1,993,368.60x = 2,894,357,054,837.81
  5. Step 5: Solve for x
    x = 2,894,357,054,837.81/1,993,368.60
  6. Step 6: Final answer
    x = 1,451,992.90

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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.