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Finding the Fourth Proportional to 480,505.99, 663,069.82 and 265,633.24

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Solution

The fourth proportional to 480,505.99, 663,069.82 and 265,633.24 is: 366,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,505.99 : 663,069.82 = 265,633.24 : x
  2. Step 2: Convert to fraction form
    480,505.99/663,069.82 = 265,633.24/x
  3. Step 3: Cross multiply
    480,505.99x = 663,069.82 × 265,633.24
  4. Step 4: Simplify right side
    480,505.99x = 176,133,384,632.82
  5. Step 5: Solve for x
    x = 176,133,384,632.82/480,505.99
  6. Step 6: Final answer
    x = 366,558.15

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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.