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Finding the Fourth Proportional to 2,512,569.51, 3,767,017.07 and 805,741.25

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Solution

The fourth proportional to 2,512,569.51, 3,767,017.07 and 805,741.25 is: 1,208,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512,569.51 : 3,767,017.07 = 805,741.25 : x
  2. Step 2: Convert to fraction form
    2,512,569.51/3,767,017.07 = 805,741.25/x
  3. Step 3: Cross multiply
    2,512,569.51x = 3,767,017.07 × 805,741.25
  4. Step 4: Simplify right side
    2,512,569.51x = 3,035,241,019,889.35
  5. Step 5: Solve for x
    x = 3,035,241,019,889.35/2,512,569.51
  6. Step 6: Final answer
    x = 1,208,022.71

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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.