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Finding the Fourth Proportional to 333,431.28, 460,138.83 and 190,199.79

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Solution

The fourth proportional to 333,431.28, 460,138.83 and 190,199.79 is: 262,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,431.28 : 460,138.83 = 190,199.79 : x
  2. Step 2: Convert to fraction form
    333,431.28/460,138.83 = 190,199.79/x
  3. Step 3: Cross multiply
    333,431.28x = 460,138.83 × 190,199.79
  4. Step 4: Simplify right side
    333,431.28x = 87,518,308,836.85
  5. Step 5: Solve for x
    x = 87,518,308,836.85/333,431.28
  6. Step 6: Final answer
    x = 262,477.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.