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Finding the Fourth Proportional to 457,529.49, 631,374.44 and 253,599.39

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Solution

The fourth proportional to 457,529.49, 631,374.44 and 253,599.39 is: 349,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,529.49 : 631,374.44 = 253,599.39 : x
  2. Step 2: Convert to fraction form
    457,529.49/631,374.44 = 253,599.39/x
  3. Step 3: Cross multiply
    457,529.49x = 631,374.44 × 253,599.39
  4. Step 4: Simplify right side
    457,529.49x = 160,116,171,577.60
  5. Step 5: Solve for x
    x = 160,116,171,577.60/457,529.49
  6. Step 6: Final answer
    x = 349,958.14

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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.