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Finding the Fourth Proportional to 533,537.40, 801,227.70 and 284,705.40

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Solution

The fourth proportional to 533,537.40, 801,227.70 and 284,705.40 is: 427,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,537.40 : 801,227.70 = 284,705.40 : x
  2. Step 2: Convert to fraction form
    533,537.40/801,227.70 = 284,705.40/x
  3. Step 3: Cross multiply
    533,537.40x = 801,227.70 × 284,705.40
  4. Step 4: Simplify right side
    533,537.40x = 228,113,852,819.58
  5. Step 5: Solve for x
    x = 228,113,852,819.58/533,537.40
  6. Step 6: Final answer
    x = 427,549.88

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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.