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Finding the Fourth Proportional to 479,544.96, 719,317.20 and 142,584.12

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Solution

The fourth proportional to 479,544.96, 719,317.20 and 142,584.12 is: 213,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,544.96 : 719,317.20 = 142,584.12 : x
  2. Step 2: Convert to fraction form
    479,544.96/719,317.20 = 142,584.12/x
  3. Step 3: Cross multiply
    479,544.96x = 719,317.20 × 142,584.12
  4. Step 4: Simplify right side
    479,544.96x = 102,563,209,962.86
  5. Step 5: Solve for x
    x = 102,563,209,962.86/479,544.96
  6. Step 6: Final answer
    x = 213,876.11

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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.