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Finding the Fourth Proportional to 533,374.17, 800,185.19 and 154,279.59

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Solution

The fourth proportional to 533,374.17, 800,185.19 and 154,279.59 is: 231,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,374.17 : 800,185.19 = 154,279.59 : x
  2. Step 2: Convert to fraction form
    533,374.17/800,185.19 = 154,279.59/x
  3. Step 3: Cross multiply
    533,374.17x = 800,185.19 × 154,279.59
  4. Step 4: Simplify right side
    533,374.17x = 123,452,242,265.87
  5. Step 5: Solve for x
    x = 123,452,242,265.87/533,374.17
  6. Step 6: Final answer
    x = 231,455.23

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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.