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Finding the Fourth Proportional to 1,926,884.73, 2,890,972.32 and 630,096.90

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Solution

The fourth proportional to 1,926,884.73, 2,890,972.32 and 630,096.90 is: 945,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,884.73 : 2,890,972.32 = 630,096.90 : x
  2. Step 2: Convert to fraction form
    1,926,884.73/2,890,972.32 = 630,096.90/x
  3. Step 3: Cross multiply
    1,926,884.73x = 2,890,972.32 × 630,096.90
  4. Step 4: Simplify right side
    1,926,884.73x = 1,821,592,696,817.81
  5. Step 5: Solve for x
    x = 1,821,592,696,817.81/1,926,884.73
  6. Step 6: Final answer
    x = 945,356.34

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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.