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Finding the Fourth Proportional to 305,949.60, 458,924.40 and 235,965.60

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Solution

The fourth proportional to 305,949.60, 458,924.40 and 235,965.60 is: 353,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,949.60 : 458,924.40 = 235,965.60 : x
  2. Step 2: Convert to fraction form
    305,949.60/458,924.40 = 235,965.60/x
  3. Step 3: Cross multiply
    305,949.60x = 458,924.40 × 235,965.60
  4. Step 4: Simplify right side
    305,949.60x = 108,290,371,400.64
  5. Step 5: Solve for x
    x = 108,290,371,400.64/305,949.60
  6. Step 6: Final answer
    x = 353,948.40

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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.