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Finding the Fourth Proportional to 1,235,866, 1,853,810.36 and 487,912

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Solution

The fourth proportional to 1,235,866, 1,853,810.36 and 487,912 is: 731,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,866 : 1,853,810.36 = 487,912 : x
  2. Step 2: Convert to fraction form
    1,235,866/1,853,810.36 = 487,912/x
  3. Step 3: Cross multiply
    1,235,866x = 1,853,810.36 × 487,912
  4. Step 4: Simplify right side
    1,235,866x = 904,496,320,368.32
  5. Step 5: Solve for x
    x = 904,496,320,368.32/1,235,866
  6. Step 6: Final answer
    x = 731,872.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.