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Finding the Fourth Proportional to 533,555.82, 800,333.66 and 218,012.40

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Solution

The fourth proportional to 533,555.82, 800,333.66 and 218,012.40 is: 327,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,555.82 : 800,333.66 = 218,012.40 : x
  2. Step 2: Convert to fraction form
    533,555.82/800,333.66 = 218,012.40/x
  3. Step 3: Cross multiply
    533,555.82x = 800,333.66 × 218,012.40
  4. Step 4: Simplify right side
    533,555.82x = 174,482,662,017.38
  5. Step 5: Solve for x
    x = 174,482,662,017.38/533,555.82
  6. Step 6: Final answer
    x = 327,018.57

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1.5x scale

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.