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Finding the Fourth Proportional to 1,886,164.04, 2,829,447.54 and 806,788.28

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Solution

The fourth proportional to 1,886,164.04, 2,829,447.54 and 806,788.28 is: 1,210,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,164.04 : 2,829,447.54 = 806,788.28 : x
  2. Step 2: Convert to fraction form
    1,886,164.04/2,829,447.54 = 806,788.28/x
  3. Step 3: Cross multiply
    1,886,164.04x = 2,829,447.54 × 806,788.28
  4. Step 4: Simplify right side
    1,886,164.04x = 2,282,765,114,146.83
  5. Step 5: Solve for x
    x = 2,282,765,114,146.83/1,886,164.04
  6. Step 6: Final answer
    x = 1,210,268.60

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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.