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Finding the Fourth Proportional to 351,955.96, 527,933.64 and 127,263.70

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Solution

The fourth proportional to 351,955.96, 527,933.64 and 127,263.70 is: 190,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,955.96 : 527,933.64 = 127,263.70 : x
  2. Step 2: Convert to fraction form
    351,955.96/527,933.64 = 127,263.70/x
  3. Step 3: Cross multiply
    351,955.96x = 527,933.64 × 127,263.70
  4. Step 4: Simplify right side
    351,955.96x = 67,186,788,380.87
  5. Step 5: Solve for x
    x = 67,186,788,380.87/351,955.96
  6. Step 6: Final answer
    x = 190,895.44

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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.