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Finding the Fourth Proportional to 909,751.80, 1,362,003.30 and 883,507.80

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Solution

The fourth proportional to 909,751.80, 1,362,003.30 and 883,507.80 is: 1,322,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,751.80 : 1,362,003.30 = 883,507.80 : x
  2. Step 2: Convert to fraction form
    909,751.80/1,362,003.30 = 883,507.80/x
  3. Step 3: Cross multiply
    909,751.80x = 1,362,003.30 × 883,507.80
  4. Step 4: Simplify right side
    909,751.80x = 1,203,340,539,175.74
  5. Step 5: Solve for x
    x = 1,203,340,539,175.74/909,751.80
  6. Step 6: Final answer
    x = 1,322,713.01

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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.