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Finding the Fourth Proportional to 2,988,102, 4,482,192 and 993,558

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Solution

The fourth proportional to 2,988,102, 4,482,192 and 993,558 is: 1,490,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,102 : 4,482,192 = 993,558 : x
  2. Step 2: Convert to fraction form
    2,988,102/4,482,192 = 993,558/x
  3. Step 3: Cross multiply
    2,988,102x = 4,482,192 × 993,558
  4. Step 4: Simplify right side
    2,988,102x = 4,453,317,719,136
  5. Step 5: Solve for x
    x = 4,453,317,719,136/2,988,102
  6. Step 6: Final answer
    x = 1,490,349.97

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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.