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Finding the Fourth Proportional to 533,354.90, 800,953.95 and 284,522.90

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Solution

The fourth proportional to 533,354.90, 800,953.95 and 284,522.90 is: 427,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,354.90 : 800,953.95 = 284,522.90 : x
  2. Step 2: Convert to fraction form
    533,354.90/800,953.95 = 284,522.90/x
  3. Step 3: Cross multiply
    533,354.90x = 800,953.95 × 284,522.90
  4. Step 4: Simplify right side
    533,354.90x = 227,889,740,620.46
  5. Step 5: Solve for x
    x = 227,889,740,620.46/533,354.90
  6. Step 6: Final answer
    x = 427,275.99

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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.