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Finding the Fourth Proportional to 303,234.80, 455,226.60 and 190,914.80

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Solution

The fourth proportional to 303,234.80, 455,226.60 and 190,914.80 is: 286,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,234.80 : 455,226.60 = 190,914.80 : x
  2. Step 2: Convert to fraction form
    303,234.80/455,226.60 = 190,914.80/x
  3. Step 3: Cross multiply
    303,234.80x = 455,226.60 × 190,914.80
  4. Step 4: Simplify right side
    303,234.80x = 86,909,495,293.68
  5. Step 5: Solve for x
    x = 86,909,495,293.68/303,234.80
  6. Step 6: Final answer
    x = 286,607.92

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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.