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Finding the Fourth Proportional to 308,123.37, 425,232.26 and 170,299.34

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Solution

The fourth proportional to 308,123.37, 425,232.26 and 170,299.34 is: 235,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,123.37 : 425,232.26 = 170,299.34 : x
  2. Step 2: Convert to fraction form
    308,123.37/425,232.26 = 170,299.34/x
  3. Step 3: Cross multiply
    308,123.37x = 425,232.26 × 170,299.34
  4. Step 4: Simplify right side
    308,123.37x = 72,416,773,224.71
  5. Step 5: Solve for x
    x = 72,416,773,224.71/308,123.37
  6. Step 6: Final answer
    x = 235,025.25

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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.