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Finding the Fourth Proportional to 531,348.76, 796,137.18 and 381,364.30

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Solution

The fourth proportional to 531,348.76, 796,137.18 and 381,364.30 is: 571,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,348.76 : 796,137.18 = 381,364.30 : x
  2. Step 2: Convert to fraction form
    531,348.76/796,137.18 = 381,364.30/x
  3. Step 3: Cross multiply
    531,348.76x = 796,137.18 × 381,364.30
  4. Step 4: Simplify right side
    531,348.76x = 303,618,298,354.67
  5. Step 5: Solve for x
    x = 303,618,298,354.67/531,348.76
  6. Step 6: Final answer
    x = 571,410.57

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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.