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Finding the Fourth Proportional to 365,062.56, 546,261.66 and 215,374.56

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Solution

The fourth proportional to 365,062.56, 546,261.66 and 215,374.56 is: 322,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,062.56 : 546,261.66 = 215,374.56 : x
  2. Step 2: Convert to fraction form
    365,062.56/546,261.66 = 215,374.56/x
  3. Step 3: Cross multiply
    365,062.56x = 546,261.66 × 215,374.56
  4. Step 4: Simplify right side
    365,062.56x = 117,650,864,667.37
  5. Step 5: Solve for x
    x = 117,650,864,667.37/365,062.56
  6. Step 6: Final answer
    x = 322,275.90

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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.