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Finding the Fourth Proportional to 480,471.99, 662,993.78 and 265,582.83

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Solution

The fourth proportional to 480,471.99, 662,993.78 and 265,582.83 is: 366,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,471.99 : 662,993.78 = 265,582.83 : x
  2. Step 2: Convert to fraction form
    480,471.99/662,993.78 = 265,582.83/x
  3. Step 3: Cross multiply
    480,471.99x = 662,993.78 × 265,582.83
  4. Step 4: Simplify right side
    480,471.99x = 176,079,763,036.88
  5. Step 5: Solve for x
    x = 176,079,763,036.88/480,471.99
  6. Step 6: Final answer
    x = 366,472.48

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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.