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Finding the Fourth Proportional to 533,321.90, 800,904.45 and 284,489.90

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Solution

The fourth proportional to 533,321.90, 800,904.45 and 284,489.90 is: 427,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,321.90 : 800,904.45 = 284,489.90 : x
  2. Step 2: Convert to fraction form
    533,321.90/800,904.45 = 284,489.90/x
  3. Step 3: Cross multiply
    533,321.90x = 800,904.45 × 284,489.90
  4. Step 4: Simplify right side
    533,321.90x = 227,849,226,890.06
  5. Step 5: Solve for x
    x = 227,849,226,890.06/533,321.90
  6. Step 6: Final answer
    x = 427,226.46

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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.