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Finding the Fourth Proportional to 235,214.46, 324,601.56 and 127,790.64

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Solution

The fourth proportional to 235,214.46, 324,601.56 and 127,790.64 is: 176,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,214.46 : 324,601.56 = 127,790.64 : x
  2. Step 2: Convert to fraction form
    235,214.46/324,601.56 = 127,790.64/x
  3. Step 3: Cross multiply
    235,214.46x = 324,601.56 × 127,790.64
  4. Step 4: Simplify right side
    235,214.46x = 41,481,041,097.40
  5. Step 5: Solve for x
    x = 41,481,041,097.40/235,214.46
  6. Step 6: Final answer
    x = 176,354.13

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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.