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Finding the Fourth Proportional to 1,916,952.12, 2,874,935.70 and 568,795.80

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Solution

The fourth proportional to 1,916,952.12, 2,874,935.70 and 568,795.80 is: 853,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,952.12 : 2,874,935.70 = 568,795.80 : x
  2. Step 2: Convert to fraction form
    1,916,952.12/2,874,935.70 = 568,795.80/x
  3. Step 3: Cross multiply
    1,916,952.12x = 2,874,935.70 × 568,795.80
  4. Step 4: Simplify right side
    1,916,952.12x = 1,635,251,351,430.06
  5. Step 5: Solve for x
    x = 1,635,251,351,430.06/1,916,952.12
  6. Step 6: Final answer
    x = 853,047.57

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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.