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Finding the Fourth Proportional to 305,736.60, 458,604.90 and 235,752.60

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Solution

The fourth proportional to 305,736.60, 458,604.90 and 235,752.60 is: 353,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,736.60 : 458,604.90 = 235,752.60 : x
  2. Step 2: Convert to fraction form
    305,736.60/458,604.90 = 235,752.60/x
  3. Step 3: Cross multiply
    305,736.60x = 458,604.90 × 235,752.60
  4. Step 4: Simplify right side
    305,736.60x = 108,117,297,547.74
  5. Step 5: Solve for x
    x = 108,117,297,547.74/305,736.60
  6. Step 6: Final answer
    x = 353,628.90

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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.