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Finding the Fourth Proportional to 880,321.81, 1,327,271.75 and 874,857.05

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Solution

The fourth proportional to 880,321.81, 1,327,271.75 and 874,857.05 is: 1,319,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,321.81 : 1,327,271.75 = 874,857.05 : x
  2. Step 2: Convert to fraction form
    880,321.81/1,327,271.75 = 874,857.05/x
  3. Step 3: Cross multiply
    880,321.81x = 1,327,271.75 × 874,857.05
  4. Step 4: Simplify right side
    880,321.81x = 1,161,173,036,742.69
  5. Step 5: Solve for x
    x = 1,161,173,036,742.69/880,321.81
  6. Step 6: Final answer
    x = 1,319,032.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.