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Finding the Fourth Proportional to 1,886,114.77, 2,829,173.07 and 623,942.39

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Solution

The fourth proportional to 1,886,114.77, 2,829,173.07 and 623,942.39 is: 935,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,114.77 : 2,829,173.07 = 623,942.39 : x
  2. Step 2: Convert to fraction form
    1,886,114.77/2,829,173.07 = 623,942.39/x
  3. Step 3: Cross multiply
    1,886,114.77x = 2,829,173.07 × 623,942.39
  4. Step 4: Simplify right side
    1,886,114.77x = 1,765,241,007,019.44
  5. Step 5: Solve for x
    x = 1,765,241,007,019.44/1,886,114.77
  6. Step 6: Final answer
    x = 935,913.89

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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.