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Finding the Fourth Proportional to 462,564.48, 638,268.48 and 261,287.04

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Solution

The fourth proportional to 462,564.48, 638,268.48 and 261,287.04 is: 360,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,564.48 : 638,268.48 = 261,287.04 : x
  2. Step 2: Convert to fraction form
    462,564.48/638,268.48 = 261,287.04/x
  3. Step 3: Cross multiply
    462,564.48x = 638,268.48 × 261,287.04
  4. Step 4: Simplify right side
    462,564.48x = 166,771,281,864.50
  5. Step 5: Solve for x
    x = 166,771,281,864.50/462,564.48
  6. Step 6: Final answer
    x = 360,536.29

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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.