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Finding the Fourth Proportional to 533,109.51, 799,804.48 and 191,587.43

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Solution

The fourth proportional to 533,109.51, 799,804.48 and 191,587.43 is: 287,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,109.51 : 799,804.48 = 191,587.43 : x
  2. Step 2: Convert to fraction form
    533,109.51/799,804.48 = 191,587.43/x
  3. Step 3: Cross multiply
    533,109.51x = 799,804.48 × 191,587.43
  4. Step 4: Simplify right side
    533,109.51x = 153,232,486,346.23
  5. Step 5: Solve for x
    x = 153,232,486,346.23/533,109.51
  6. Step 6: Final answer
    x = 287,431.54

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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.