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Finding the Fourth Proportional to 1,831,993.89, 2,528,192.10 and 1,016,171.01

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Solution

The fourth proportional to 1,831,993.89, 2,528,192.10 and 1,016,171.01 is: 1,402,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,993.89 : 2,528,192.10 = 1,016,171.01 : x
  2. Step 2: Convert to fraction form
    1,831,993.89/2,528,192.10 = 1,016,171.01/x
  3. Step 3: Cross multiply
    1,831,993.89x = 2,528,192.10 × 1,016,171.01
  4. Step 4: Simplify right side
    1,831,993.89x = 2,569,075,519,731.02
  5. Step 5: Solve for x
    x = 2,569,075,519,731.02/1,831,993.89
  6. Step 6: Final answer
    x = 1,402,338.48

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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.