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Finding the Fourth Proportional to 365,935, 548,403.36 and 223,829.68

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Solution

The fourth proportional to 365,935, 548,403.36 and 223,829.68 is: 335,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,935 : 548,403.36 = 223,829.68 : x
  2. Step 2: Convert to fraction form
    365,935/548,403.36 = 223,829.68/x
  3. Step 3: Cross multiply
    365,935x = 548,403.36 × 223,829.68
  4. Step 4: Simplify right side
    365,935x = 122,748,948,579.73
  5. Step 5: Solve for x
    x = 122,748,948,579.73/365,935
  6. Step 6: Final answer
    x = 335,439.21

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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.