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Finding the Fourth Proportional to 662,802.64, 914,667.48 and 360,996.64

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Solution

The fourth proportional to 662,802.64, 914,667.48 and 360,996.64 is: 498,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,802.64 : 914,667.48 = 360,996.64 : x
  2. Step 2: Convert to fraction form
    662,802.64/914,667.48 = 360,996.64/x
  3. Step 3: Cross multiply
    662,802.64x = 914,667.48 × 360,996.64
  4. Step 4: Simplify right side
    662,802.64x = 330,191,886,997.27
  5. Step 5: Solve for x
    x = 330,191,886,997.27/662,802.64
  6. Step 6: Final answer
    x = 498,175.27

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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.