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Finding the Fourth Proportional to 1,993,779, 2,990,668.50 and 592,947

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Solution

The fourth proportional to 1,993,779, 2,990,668.50 and 592,947 is: 889,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,779 : 2,990,668.50 = 592,947 : x
  2. Step 2: Convert to fraction form
    1,993,779/2,990,668.50 = 592,947/x
  3. Step 3: Cross multiply
    1,993,779x = 2,990,668.50 × 592,947
  4. Step 4: Simplify right side
    1,993,779x = 1,773,307,915,069.50
  5. Step 5: Solve for x
    x = 1,773,307,915,069.50/1,993,779
  6. Step 6: Final answer
    x = 889,420.50

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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.