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Finding the Fourth Proportional to 533,346.40, 800,020.37 and 217,803.30

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Solution

The fourth proportional to 533,346.40, 800,020.37 and 217,803.30 is: 326,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,346.40 : 800,020.37 = 217,803.30 : x
  2. Step 2: Convert to fraction form
    533,346.40/800,020.37 = 217,803.30/x
  3. Step 3: Cross multiply
    533,346.40x = 800,020.37 × 217,803.30
  4. Step 4: Simplify right side
    533,346.40x = 174,247,079,875.83
  5. Step 5: Solve for x
    x = 174,247,079,875.83/533,346.40
  6. Step 6: Final answer
    x = 326,705.27

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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.