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Finding the Fourth Proportional to 332,626.78, 459,025.40 and 189,386.88

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Solution

The fourth proportional to 332,626.78, 459,025.40 and 189,386.88 is: 261,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,626.78 : 459,025.40 = 189,386.88 : x
  2. Step 2: Convert to fraction form
    332,626.78/459,025.40 = 189,386.88/x
  3. Step 3: Cross multiply
    332,626.78x = 459,025.40 × 189,386.88
  4. Step 4: Simplify right side
    332,626.78x = 86,933,388,346.75
  5. Step 5: Solve for x
    x = 86,933,388,346.75/332,626.78
  6. Step 6: Final answer
    x = 261,354.15

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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.