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Finding the Fourth Proportional to 1,683,971.40, 2,362,536.60 and 1,683,971.40

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Solution

The fourth proportional to 1,683,971.40, 2,362,536.60 and 1,683,971.40 is: 2,362,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,971.40 : 2,362,536.60 = 1,683,971.40 : x
  2. Step 2: Convert to fraction form
    1,683,971.40/2,362,536.60 = 1,683,971.40/x
  3. Step 3: Cross multiply
    1,683,971.40x = 2,362,536.60 × 1,683,971.40
  4. Step 4: Simplify right side
    1,683,971.40x = 3,978,444,065,853.24
  5. Step 5: Solve for x
    x = 3,978,444,065,853.24/1,683,971.40
  6. Step 6: Final answer
    x = 2,362,536.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.