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Finding the Fourth Proportional to 480,606.75, 720,959.47 and 181,339.18

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Solution

The fourth proportional to 480,606.75, 720,959.47 and 181,339.18 is: 272,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,606.75 : 720,959.47 = 181,339.18 : x
  2. Step 2: Convert to fraction form
    480,606.75/720,959.47 = 181,339.18/x
  3. Step 3: Cross multiply
    480,606.75x = 720,959.47 × 181,339.18
  4. Step 4: Simplify right side
    480,606.75x = 130,738,196,847.29
  5. Step 5: Solve for x
    x = 130,738,196,847.29/480,606.75
  6. Step 6: Final answer
    x = 272,027.38

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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.