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Finding the Fourth Proportional to 499,026.56, 688,656.16 and 269,583.84

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Solution

The fourth proportional to 499,026.56, 688,656.16 and 269,583.84 is: 372,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,026.56 : 688,656.16 = 269,583.84 : x
  2. Step 2: Convert to fraction form
    499,026.56/688,656.16 = 269,583.84/x
  3. Step 3: Cross multiply
    499,026.56x = 688,656.16 × 269,583.84
  4. Step 4: Simplify right side
    499,026.56x = 185,650,572,052.45
  5. Step 5: Solve for x
    x = 185,650,572,052.45/499,026.56
  6. Step 6: Final answer
    x = 372,025.43

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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.