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Finding the Fourth Proportional to 518,983.04, 716,180.36 and 304,266.11

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Solution

The fourth proportional to 518,983.04, 716,180.36 and 304,266.11 is: 419,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,983.04 : 716,180.36 = 304,266.11 : x
  2. Step 2: Convert to fraction form
    518,983.04/716,180.36 = 304,266.11/x
  3. Step 3: Cross multiply
    518,983.04x = 716,180.36 × 304,266.11
  4. Step 4: Simplify right side
    518,983.04x = 217,909,412,464.72
  5. Step 5: Solve for x
    x = 217,909,412,464.72/518,983.04
  6. Step 6: Final answer
    x = 419,877.71

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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.