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Finding the Fourth Proportional to 533,673.12, 800,509.60 and 253,037.28

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Solution

The fourth proportional to 533,673.12, 800,509.60 and 253,037.28 is: 379,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,673.12 : 800,509.60 = 253,037.28 : x
  2. Step 2: Convert to fraction form
    533,673.12/800,509.60 = 253,037.28/x
  3. Step 3: Cross multiply
    533,673.12x = 800,509.60 × 253,037.28
  4. Step 4: Simplify right side
    533,673.12x = 202,558,771,797.89
  5. Step 5: Solve for x
    x = 202,558,771,797.89/533,673.12
  6. Step 6: Final answer
    x = 379,555.88

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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.