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Finding the Fourth Proportional to 326,999.60, 451,231.56 and 183,748.40

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Solution

The fourth proportional to 326,999.60, 451,231.56 and 183,748.40 is: 253,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,999.60 : 451,231.56 = 183,748.40 : x
  2. Step 2: Convert to fraction form
    326,999.60/451,231.56 = 183,748.40/x
  3. Step 3: Cross multiply
    326,999.60x = 451,231.56 × 183,748.40
  4. Step 4: Simplify right side
    326,999.60x = 82,913,077,179.50
  5. Step 5: Solve for x
    x = 82,913,077,179.50/326,999.60
  6. Step 6: Final answer
    x = 253,557.12

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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.