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Finding the Fourth Proportional to 3,369,981.80, 5,054,972.70 and 973,904.60

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Solution

The fourth proportional to 3,369,981.80, 5,054,972.70 and 973,904.60 is: 1,460,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369,981.80 : 5,054,972.70 = 973,904.60 : x
  2. Step 2: Convert to fraction form
    3,369,981.80/5,054,972.70 = 973,904.60/x
  3. Step 3: Cross multiply
    3,369,981.80x = 5,054,972.70 × 973,904.60
  4. Step 4: Simplify right side
    3,369,981.80x = 4,923,061,165,404.42
  5. Step 5: Solve for x
    x = 4,923,061,165,404.42/3,369,981.80
  6. Step 6: Final answer
    x = 1,460,856.90

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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.