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Finding the Fourth Proportional to 533,555.42, 800,274.17 and 134,196.35

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Solution

The fourth proportional to 533,555.42, 800,274.17 and 134,196.35 is: 201,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,555.42 : 800,274.17 = 134,196.35 : x
  2. Step 2: Convert to fraction form
    533,555.42/800,274.17 = 134,196.35/x
  3. Step 3: Cross multiply
    533,555.42x = 800,274.17 × 134,196.35
  4. Step 4: Simplify right side
    533,555.42x = 107,393,868,947.40
  5. Step 5: Solve for x
    x = 107,393,868,947.40/533,555.42
  6. Step 6: Final answer
    x = 201,279.69

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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.