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Finding the Fourth Proportional to 1,768,338, 2,440,306.47 and 963,522

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Solution

The fourth proportional to 1,768,338, 2,440,306.47 and 963,522 is: 1,329,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,338 : 2,440,306.47 = 963,522 : x
  2. Step 2: Convert to fraction form
    1,768,338/2,440,306.47 = 963,522/x
  3. Step 3: Cross multiply
    1,768,338x = 2,440,306.47 × 963,522
  4. Step 4: Simplify right side
    1,768,338x = 2,351,288,966,070.83
  5. Step 5: Solve for x
    x = 2,351,288,966,070.83/1,768,338
  6. Step 6: Final answer
    x = 1,329,660.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.