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Finding the Fourth Proportional to 306,303.60, 459,505.80 and 95,890.80

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Solution

The fourth proportional to 306,303.60, 459,505.80 and 95,890.80 is: 143,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,303.60 : 459,505.80 = 95,890.80 : x
  2. Step 2: Convert to fraction form
    306,303.60/459,505.80 = 95,890.80/x
  3. Step 3: Cross multiply
    306,303.60x = 459,505.80 × 95,890.80
  4. Step 4: Simplify right side
    306,303.60x = 44,062,378,766.64
  5. Step 5: Solve for x
    x = 44,062,378,766.64/306,303.60
  6. Step 6: Final answer
    x = 143,851.98

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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.