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Finding the Fourth Proportional to 270,783.60, 373,695.18 and 149,938.23

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Solution

The fourth proportional to 270,783.60, 373,695.18 and 149,938.23 is: 206,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,783.60 : 373,695.18 = 149,938.23 : x
  2. Step 2: Convert to fraction form
    270,783.60/373,695.18 = 149,938.23/x
  3. Step 3: Cross multiply
    270,783.60x = 373,695.18 × 149,938.23
  4. Step 4: Simplify right side
    270,783.60x = 56,031,193,848.73
  5. Step 5: Solve for x
    x = 56,031,193,848.73/270,783.60
  6. Step 6: Final answer
    x = 206,922.41

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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.