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Finding the Fourth Proportional to 510,678.66, 766,190.52 and 226,330.32

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Solution

The fourth proportional to 510,678.66, 766,190.52 and 226,330.32 is: 339,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,678.66 : 766,190.52 = 226,330.32 : x
  2. Step 2: Convert to fraction form
    510,678.66/766,190.52 = 226,330.32/x
  3. Step 3: Cross multiply
    510,678.66x = 766,190.52 × 226,330.32
  4. Step 4: Simplify right side
    510,678.66x = 173,412,145,572.57
  5. Step 5: Solve for x
    x = 173,412,145,572.57/510,678.66
  6. Step 6: Final answer
    x = 339,571.94

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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.