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Finding the Fourth Proportional to 579,023.68, 799,050 and 324,376.96

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Solution

The fourth proportional to 579,023.68, 799,050 and 324,376.96 is: 447,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,023.68 : 799,050 = 324,376.96 : x
  2. Step 2: Convert to fraction form
    579,023.68/799,050 = 324,376.96/x
  3. Step 3: Cross multiply
    579,023.68x = 799,050 × 324,376.96
  4. Step 4: Simplify right side
    579,023.68x = 259,193,409,888.00
  5. Step 5: Solve for x
    x = 259,193,409,888.00/579,023.68
  6. Step 6: Final answer
    x = 447,638.70

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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.