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Finding the Fourth Proportional to 1,948,374.80, 2,921,179.80 and 883,926.80

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Solution

The fourth proportional to 1,948,374.80, 2,921,179.80 and 883,926.80 is: 1,325,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,374.80 : 2,921,179.80 = 883,926.80 : x
  2. Step 2: Convert to fraction form
    1,948,374.80/2,921,179.80 = 883,926.80/x
  3. Step 3: Cross multiply
    1,948,374.80x = 2,921,179.80 × 883,926.80
  4. Step 4: Simplify right side
    1,948,374.80x = 2,582,109,112,838.64
  5. Step 5: Solve for x
    x = 2,582,109,112,838.64/1,948,374.80
  6. Step 6: Final answer
    x = 1,325,263.04

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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.