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Finding the Fourth Proportional to 8,199,410.40, 12,304,364.40 and 4,787,690.40

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Solution

The fourth proportional to 8,199,410.40, 12,304,364.40 and 4,787,690.40 is: 7,184,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,410.40 : 12,304,364.40 = 4,787,690.40 : x
  2. Step 2: Convert to fraction form
    8,199,410.40/12,304,364.40 = 4,787,690.40/x
  3. Step 3: Cross multiply
    8,199,410.40x = 12,304,364.40 × 4,787,690.40
  4. Step 4: Simplify right side
    8,199,410.40x = 58,909,487,315,981.77
  5. Step 5: Solve for x
    x = 58,909,487,315,981.77/8,199,410.40
  6. Step 6: Final answer
    x = 7,184,600.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.