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Finding the Fourth Proportional to 335,647.32, 462,957.48 and 220,889.40

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Solution

The fourth proportional to 335,647.32, 462,957.48 and 220,889.40 is: 304,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,647.32 : 462,957.48 = 220,889.40 : x
  2. Step 2: Convert to fraction form
    335,647.32/462,957.48 = 220,889.40/x
  3. Step 3: Cross multiply
    335,647.32x = 462,957.48 × 220,889.40
  4. Step 4: Simplify right side
    335,647.32x = 102,262,399,982.71
  5. Step 5: Solve for x
    x = 102,262,399,982.71/335,647.32
  6. Step 6: Final answer
    x = 304,672.18

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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.