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Finding the Fourth Proportional to 1,993,764, 2,990,646 and 592,932

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Solution

The fourth proportional to 1,993,764, 2,990,646 and 592,932 is: 889,398

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,764 : 2,990,646 = 592,932 : x
  2. Step 2: Convert to fraction form
    1,993,764/2,990,646 = 592,932/x
  3. Step 3: Cross multiply
    1,993,764x = 2,990,646 × 592,932
  4. Step 4: Simplify right side
    1,993,764x = 1,773,249,714,072
  5. Step 5: Solve for x
    x = 1,773,249,714,072/1,993,764
  6. Step 6: Final answer
    x = 889,398

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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.