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Finding the Fourth Proportional to 416,519.82, 574,807.89 and 255,463.67

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Solution

The fourth proportional to 416,519.82, 574,807.89 and 255,463.67 is: 352,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,519.82 : 574,807.89 = 255,463.67 : x
  2. Step 2: Convert to fraction form
    416,519.82/574,807.89 = 255,463.67/x
  3. Step 3: Cross multiply
    416,519.82x = 574,807.89 × 255,463.67
  4. Step 4: Simplify right side
    416,519.82x = 146,842,535,519.37
  5. Step 5: Solve for x
    x = 146,842,535,519.37/416,519.82
  6. Step 6: Final answer
    x = 352,546.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.