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Finding the Fourth Proportional to 453,287.34, 625,505.69 and 262,329.44

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Solution

The fourth proportional to 453,287.34, 625,505.69 and 262,329.44 is: 361,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,287.34 : 625,505.69 = 262,329.44 : x
  2. Step 2: Convert to fraction form
    453,287.34/625,505.69 = 262,329.44/x
  3. Step 3: Cross multiply
    453,287.34x = 625,505.69 × 262,329.44
  4. Step 4: Simplify right side
    453,287.34x = 164,088,554,902.81
  5. Step 5: Solve for x
    x = 164,088,554,902.81/453,287.34
  6. Step 6: Final answer
    x = 361,996.77

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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.