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Finding the Fourth Proportional to 296,842.40, 445,555.20 and 147,251.60

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Solution

The fourth proportional to 296,842.40, 445,555.20 and 147,251.60 is: 221,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,842.40 : 445,555.20 = 147,251.60 : x
  2. Step 2: Convert to fraction form
    296,842.40/445,555.20 = 147,251.60/x
  3. Step 3: Cross multiply
    296,842.40x = 445,555.20 × 147,251.60
  4. Step 4: Simplify right side
    296,842.40x = 65,608,716,088.32
  5. Step 5: Solve for x
    x = 65,608,716,088.32/296,842.40
  6. Step 6: Final answer
    x = 221,022.05

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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.