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Finding the Fourth Proportional to 1,926,886.73, 2,890,975.32 and 630,098.90

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Solution

The fourth proportional to 1,926,886.73, 2,890,975.32 and 630,098.90 is: 945,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,886.73 : 2,890,975.32 = 630,098.90 : x
  2. Step 2: Convert to fraction form
    1,926,886.73/2,890,975.32 = 630,098.90/x
  3. Step 3: Cross multiply
    1,926,886.73x = 2,890,975.32 × 630,098.90
  4. Step 4: Simplify right side
    1,926,886.73x = 1,821,600,369,059.15
  5. Step 5: Solve for x
    x = 1,821,600,369,059.15/1,926,886.73
  6. Step 6: Final answer
    x = 945,359.34

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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.