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Finding the Fourth Proportional to 1,192,935.04, 1,788,849.60 and 444,780.16

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Solution

The fourth proportional to 1,192,935.04, 1,788,849.60 and 444,780.16 is: 666,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,935.04 : 1,788,849.60 = 444,780.16 : x
  2. Step 2: Convert to fraction form
    1,192,935.04/1,788,849.60 = 444,780.16/x
  3. Step 3: Cross multiply
    1,192,935.04x = 1,788,849.60 × 444,780.16
  4. Step 4: Simplify right side
    1,192,935.04x = 795,644,811,303.94
  5. Step 5: Solve for x
    x = 795,644,811,303.94/1,192,935.04
  6. Step 6: Final answer
    x = 666,964.07

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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.