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Finding the Fourth Proportional to 1,308,689.13, 1,805,993.82 and 735,734.01

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Solution

The fourth proportional to 1,308,689.13, 1,805,993.82 and 735,734.01 is: 1,015,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,689.13 : 1,805,993.82 = 735,734.01 : x
  2. Step 2: Convert to fraction form
    1,308,689.13/1,805,993.82 = 735,734.01/x
  3. Step 3: Cross multiply
    1,308,689.13x = 1,805,993.82 × 735,734.01
  4. Step 4: Simplify right side
    1,308,689.13x = 1,328,731,075,223.82
  5. Step 5: Solve for x
    x = 1,328,731,075,223.82/1,308,689.13
  6. Step 6: Final answer
    x = 1,015,314.52

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