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Finding the Fourth Proportional to 579,169.77, 799,254.53 and 352,815.27

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Solution

The fourth proportional to 579,169.77, 799,254.53 and 352,815.27 is: 486,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,169.77 : 799,254.53 = 352,815.27 : x
  2. Step 2: Convert to fraction form
    579,169.77/799,254.53 = 352,815.27/x
  3. Step 3: Cross multiply
    579,169.77x = 799,254.53 × 352,815.27
  4. Step 4: Simplify right side
    579,169.77x = 281,989,202,800.67
  5. Step 5: Solve for x
    x = 281,989,202,800.67/579,169.77
  6. Step 6: Final answer
    x = 486,885.22

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Double scale
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Similar ratio
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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.