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Finding the Fourth Proportional to 584,802.64, 806,982.60 and 330,178.96

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Solution

The fourth proportional to 584,802.64, 806,982.60 and 330,178.96 is: 455,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,802.64 : 806,982.60 = 330,178.96 : x
  2. Step 2: Convert to fraction form
    584,802.64/806,982.60 = 330,178.96/x
  3. Step 3: Cross multiply
    584,802.64x = 806,982.60 × 330,178.96
  4. Step 4: Simplify right side
    584,802.64x = 266,448,675,606.10
  5. Step 5: Solve for x
    x = 266,448,675,606.10/584,802.64
  6. Step 6: Final answer
    x = 455,621.53

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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.