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Finding the Fourth Proportional to 533,873.63, 800,928.09 and 154,810.19

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Solution

The fourth proportional to 533,873.63, 800,928.09 and 154,810.19 is: 232,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,873.63 : 800,928.09 = 154,810.19 : x
  2. Step 2: Convert to fraction form
    533,873.63/800,928.09 = 154,810.19/x
  3. Step 3: Cross multiply
    533,873.63x = 800,928.09 × 154,810.19
  4. Step 4: Simplify right side
    533,873.63x = 123,991,829,789.24
  5. Step 5: Solve for x
    x = 123,991,829,789.24/533,873.63
  6. Step 6: Final answer
    x = 232,249.40

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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.