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Finding the Fourth Proportional to 294,940.80, 442,411.20 and 168,532.20

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Solution

The fourth proportional to 294,940.80, 442,411.20 and 168,532.20 is: 252,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,940.80 : 442,411.20 = 168,532.20 : x
  2. Step 2: Convert to fraction form
    294,940.80/442,411.20 = 168,532.20/x
  3. Step 3: Cross multiply
    294,940.80x = 442,411.20 × 168,532.20
  4. Step 4: Simplify right side
    294,940.80x = 74,560,532,840.64
  5. Step 5: Solve for x
    x = 74,560,532,840.64/294,940.80
  6. Step 6: Final answer
    x = 252,798.30

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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.