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Finding the Fourth Proportional to 273,619.20, 410,428.80 and 96,326.40

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Solution

The fourth proportional to 273,619.20, 410,428.80 and 96,326.40 is: 144,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,619.20 : 410,428.80 = 96,326.40 : x
  2. Step 2: Convert to fraction form
    273,619.20/410,428.80 = 96,326.40/x
  3. Step 3: Cross multiply
    273,619.20x = 410,428.80 × 96,326.40
  4. Step 4: Simplify right side
    273,619.20x = 39,535,128,760.32
  5. Step 5: Solve for x
    x = 39,535,128,760.32/273,619.20
  6. Step 6: Final answer
    x = 144,489.60

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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.