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Finding the Fourth Proportional to 253,528.63, 380,343.69 and 93,605.54

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Solution

The fourth proportional to 253,528.63, 380,343.69 and 93,605.54 is: 140,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,528.63 : 380,343.69 = 93,605.54 : x
  2. Step 2: Convert to fraction form
    253,528.63/380,343.69 = 93,605.54/x
  3. Step 3: Cross multiply
    253,528.63x = 380,343.69 × 93,605.54
  4. Step 4: Simplify right side
    253,528.63x = 35,602,274,586.32
  5. Step 5: Solve for x
    x = 35,602,274,586.32/253,528.63
  6. Step 6: Final answer
    x = 140,427.04

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1.5x scale

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.