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Finding the Fourth Proportional to 1,831,572.68, 2,527,725.56 and 1,016,039.12

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Solution

The fourth proportional to 1,831,572.68, 2,527,725.56 and 1,016,039.12 is: 1,402,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,572.68 : 2,527,725.56 = 1,016,039.12 : x
  2. Step 2: Convert to fraction form
    1,831,572.68/2,527,725.56 = 1,016,039.12/x
  3. Step 3: Cross multiply
    1,831,572.68x = 2,527,725.56 × 1,016,039.12
  4. Step 4: Simplify right side
    1,831,572.68x = 2,568,268,035,865.08
  5. Step 5: Solve for x
    x = 2,568,268,035,865.08/1,831,572.68
  6. Step 6: Final answer
    x = 1,402,220.11

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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.