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Finding the Fourth Proportional to 304,750.63, 420,558.96 and 183,868.56

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Solution

The fourth proportional to 304,750.63, 420,558.96 and 183,868.56 is: 253,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,750.63 : 420,558.96 = 183,868.56 : x
  2. Step 2: Convert to fraction form
    304,750.63/420,558.96 = 183,868.56/x
  3. Step 3: Cross multiply
    304,750.63x = 420,558.96 × 183,868.56
  4. Step 4: Simplify right side
    304,750.63x = 77,327,571,059.80
  5. Step 5: Solve for x
    x = 77,327,571,059.80/304,750.63
  6. Step 6: Final answer
    x = 253,740.48

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1.5x scale

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.