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Finding the Fourth Proportional to 563,380.60, 845,126.10 and 164,025.40

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Solution

The fourth proportional to 563,380.60, 845,126.10 and 164,025.40 is: 246,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,380.60 : 845,126.10 = 164,025.40 : x
  2. Step 2: Convert to fraction form
    563,380.60/845,126.10 = 164,025.40/x
  3. Step 3: Cross multiply
    563,380.60x = 845,126.10 × 164,025.40
  4. Step 4: Simplify right side
    563,380.60x = 138,622,146,602.94
  5. Step 5: Solve for x
    x = 138,622,146,602.94/563,380.60
  6. Step 6: Final answer
    x = 246,054.17

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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.