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Finding the Fourth Proportional to 229,903.44, 317,412.56 and 157,427.68

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Solution

The fourth proportional to 229,903.44, 317,412.56 and 157,427.68 is: 217,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,903.44 : 317,412.56 = 157,427.68 : x
  2. Step 2: Convert to fraction form
    229,903.44/317,412.56 = 157,427.68/x
  3. Step 3: Cross multiply
    229,903.44x = 317,412.56 × 157,427.68
  4. Step 4: Simplify right side
    229,903.44x = 49,969,522,923.66
  5. Step 5: Solve for x
    x = 49,969,522,923.66/229,903.44
  6. Step 6: Final answer
    x = 217,350.04

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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.