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Finding the Fourth Proportional to 996,658.10, 1,494,987.15 and 888,830.90

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Solution

The fourth proportional to 996,658.10, 1,494,987.15 and 888,830.90 is: 1,333,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,658.10 : 1,494,987.15 = 888,830.90 : x
  2. Step 2: Convert to fraction form
    996,658.10/1,494,987.15 = 888,830.90/x
  3. Step 3: Cross multiply
    996,658.10x = 1,494,987.15 × 888,830.90
  4. Step 4: Simplify right side
    996,658.10x = 1,328,790,774,022.94
  5. Step 5: Solve for x
    x = 1,328,790,774,022.94/996,658.10
  6. Step 6: Final answer
    x = 1,333,246.35

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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.