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Finding the Fourth Proportional to 370,045.60, 510,675.31 and 226,777.97

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Solution

The fourth proportional to 370,045.60, 510,675.31 and 226,777.97 is: 312,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,045.60 : 510,675.31 = 226,777.97 : x
  2. Step 2: Convert to fraction form
    370,045.60/510,675.31 = 226,777.97/x
  3. Step 3: Cross multiply
    370,045.60x = 510,675.31 × 226,777.97
  4. Step 4: Simplify right side
    370,045.60x = 115,809,908,997.03
  5. Step 5: Solve for x
    x = 115,809,908,997.03/370,045.60
  6. Step 6: Final answer
    x = 312,961.19

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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.