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Finding the Fourth Proportional to 480,377.82, 720,550.38 and 227,779.32

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Solution

The fourth proportional to 480,377.82, 720,550.38 and 227,779.32 is: 341,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,377.82 : 720,550.38 = 227,779.32 : x
  2. Step 2: Convert to fraction form
    480,377.82/720,550.38 = 227,779.32/x
  3. Step 3: Cross multiply
    480,377.82x = 720,550.38 × 227,779.32
  4. Step 4: Simplify right side
    480,377.82x = 164,126,475,582.14
  5. Step 5: Solve for x
    x = 164,126,475,582.14/480,377.82
  6. Step 6: Final answer
    x = 341,661.23

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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.