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Finding the Fourth Proportional to 305,231.60, 457,847.40 and 94,890.80

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Solution

The fourth proportional to 305,231.60, 457,847.40 and 94,890.80 is: 142,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,231.60 : 457,847.40 = 94,890.80 : x
  2. Step 2: Convert to fraction form
    305,231.60/457,847.40 = 94,890.80/x
  3. Step 3: Cross multiply
    305,231.60x = 457,847.40 × 94,890.80
  4. Step 4: Simplify right side
    305,231.60x = 43,445,506,063.92
  5. Step 5: Solve for x
    x = 43,445,506,063.92/305,231.60
  6. Step 6: Final answer
    x = 142,336.20

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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.