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Finding the Fourth Proportional to 533,368.67, 735,906.90 and 303,921.05

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Solution

The fourth proportional to 533,368.67, 735,906.90 and 303,921.05 is: 419,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,368.67 : 735,906.90 = 303,921.05 : x
  2. Step 2: Convert to fraction form
    533,368.67/735,906.90 = 303,921.05/x
  3. Step 3: Cross multiply
    533,368.67x = 735,906.90 × 303,921.05
  4. Step 4: Simplify right side
    533,368.67x = 223,657,594,070.71
  5. Step 5: Solve for x
    x = 223,657,594,070.71/533,368.67
  6. Step 6: Final answer
    x = 419,330.21

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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.