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Finding the Fourth Proportional to 531,989.80, 797,844.30 and 265,553.80

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Solution

The fourth proportional to 531,989.80, 797,844.30 and 265,553.80 is: 398,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,989.80 : 797,844.30 = 265,553.80 : x
  2. Step 2: Convert to fraction form
    531,989.80/797,844.30 = 265,553.80/x
  3. Step 3: Cross multiply
    531,989.80x = 797,844.30 × 265,553.80
  4. Step 4: Simplify right side
    531,989.80x = 211,870,585,673.34
  5. Step 5: Solve for x
    x = 211,870,585,673.34/531,989.80
  6. Step 6: Final answer
    x = 398,260.62

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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.