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Finding the Fourth Proportional to 441,809.40, 662,714.10 and 161,290.20

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Solution

The fourth proportional to 441,809.40, 662,714.10 and 161,290.20 is: 241,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,809.40 : 662,714.10 = 161,290.20 : x
  2. Step 2: Convert to fraction form
    441,809.40/662,714.10 = 161,290.20/x
  3. Step 3: Cross multiply
    441,809.40x = 662,714.10 × 161,290.20
  4. Step 4: Simplify right side
    441,809.40x = 106,889,289,731.82
  5. Step 5: Solve for x
    x = 106,889,289,731.82/441,809.40
  6. Step 6: Final answer
    x = 241,935.30

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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.