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Finding the Fourth Proportional to 533,293.13, 735,764.22 and 303,687.63

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Solution

The fourth proportional to 533,293.13, 735,764.22 and 303,687.63 is: 418,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,293.13 : 735,764.22 = 303,687.63 : x
  2. Step 2: Convert to fraction form
    533,293.13/735,764.22 = 303,687.63/x
  3. Step 3: Cross multiply
    533,293.13x = 735,764.22 × 303,687.63
  4. Step 4: Simplify right side
    533,293.13x = 223,442,492,210.60
  5. Step 5: Solve for x
    x = 223,442,492,210.60/533,293.13
  6. Step 6: Final answer
    x = 418,986.26

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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.