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Finding the Fourth Proportional to 533,091.36, 735,482.16 and 331,874.40

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Solution

The fourth proportional to 533,091.36, 735,482.16 and 331,874.40 is: 457,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,091.36 : 735,482.16 = 331,874.40 : x
  2. Step 2: Convert to fraction form
    533,091.36/735,482.16 = 331,874.40/x
  3. Step 3: Cross multiply
    533,091.36x = 735,482.16 × 331,874.40
  4. Step 4: Simplify right side
    533,091.36x = 244,087,700,560.70
  5. Step 5: Solve for x
    x = 244,087,700,560.70/533,091.36
  6. Step 6: Final answer
    x = 457,872.18

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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.