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Finding the Fourth Proportional to 1,849,644, 2,774,466 and 519,948

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Solution

The fourth proportional to 1,849,644, 2,774,466 and 519,948 is: 779,922

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,644 : 2,774,466 = 519,948 : x
  2. Step 2: Convert to fraction form
    1,849,644/2,774,466 = 519,948/x
  3. Step 3: Cross multiply
    1,849,644x = 2,774,466 × 519,948
  4. Step 4: Simplify right side
    1,849,644x = 1,442,578,047,768
  5. Step 5: Solve for x
    x = 1,442,578,047,768/1,849,644
  6. Step 6: Final answer
    x = 779,922

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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.