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Finding the Fourth Proportional to 1,898,994.94, 2,848,742.53 and 619,153.02

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Solution

The fourth proportional to 1,898,994.94, 2,848,742.53 and 619,153.02 is: 928,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,994.94 : 2,848,742.53 = 619,153.02 : x
  2. Step 2: Convert to fraction form
    1,898,994.94/2,848,742.53 = 619,153.02/x
  3. Step 3: Cross multiply
    1,898,994.94x = 2,848,742.53 × 619,153.02
  4. Step 4: Simplify right side
    1,898,994.94x = 1,763,807,539,104.06
  5. Step 5: Solve for x
    x = 1,763,807,539,104.06/1,898,994.94
  6. Step 6: Final answer
    x = 928,811.08

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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.