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Finding the Fourth Proportional to 510,631.86, 766,057.91 and 254,604.03

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Solution

The fourth proportional to 510,631.86, 766,057.91 and 254,604.03 is: 381,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,631.86 : 766,057.91 = 254,604.03 : x
  2. Step 2: Convert to fraction form
    510,631.86/766,057.91 = 254,604.03/x
  3. Step 3: Cross multiply
    510,631.86x = 766,057.91 × 254,604.03
  4. Step 4: Simplify right side
    510,631.86x = 195,041,426,953.64
  5. Step 5: Solve for x
    x = 195,041,426,953.64/510,631.86
  6. Step 6: Final answer
    x = 381,960.94

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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.