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Finding the Fourth Proportional to 408,066.68, 563,045.01 and 246,889.64

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Solution

The fourth proportional to 408,066.68, 563,045.01 and 246,889.64 is: 340,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,066.68 : 563,045.01 = 246,889.64 : x
  2. Step 2: Convert to fraction form
    408,066.68/563,045.01 = 246,889.64/x
  3. Step 3: Cross multiply
    408,066.68x = 563,045.01 × 246,889.64
  4. Step 4: Simplify right side
    408,066.68x = 139,009,977,007.47
  5. Step 5: Solve for x
    x = 139,009,977,007.47/408,066.68
  6. Step 6: Final answer
    x = 340,655.06

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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.