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Finding the Fourth Proportional to 579,461.08, 799,705.60 and 324,861.48

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Solution

The fourth proportional to 579,461.08, 799,705.60 and 324,861.48 is: 448,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,461.08 : 799,705.60 = 324,861.48 : x
  2. Step 2: Convert to fraction form
    579,461.08/799,705.60 = 324,861.48/x
  3. Step 3: Cross multiply
    579,461.08x = 799,705.60 × 324,861.48
  4. Step 4: Simplify right side
    579,461.08x = 259,793,540,781.76
  5. Step 5: Solve for x
    x = 259,793,540,781.76/579,461.08
  6. Step 6: Final answer
    x = 448,336.48

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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.