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Finding the Fourth Proportional to 533,333.70, 800,001.36 and 217,790.64

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Solution

The fourth proportional to 533,333.70, 800,001.36 and 217,790.64 is: 326,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,333.70 : 800,001.36 = 217,790.64 : x
  2. Step 2: Convert to fraction form
    533,333.70/800,001.36 = 217,790.64/x
  3. Step 3: Cross multiply
    533,333.70x = 800,001.36 × 217,790.64
  4. Step 4: Simplify right side
    533,333.70x = 174,232,808,195.27
  5. Step 5: Solve for x
    x = 174,232,808,195.27/533,333.70
  6. Step 6: Final answer
    x = 326,686.29

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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.