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Finding the Fourth Proportional to 442,608.77, 662,621.37 and 329,259.35

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Solution

The fourth proportional to 442,608.77, 662,621.37 and 329,259.35 is: 492,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,608.77 : 662,621.37 = 329,259.35 : x
  2. Step 2: Convert to fraction form
    442,608.77/662,621.37 = 329,259.35/x
  3. Step 3: Cross multiply
    442,608.77x = 662,621.37 × 329,259.35
  4. Step 4: Simplify right side
    442,608.77x = 218,174,281,582.31
  5. Step 5: Solve for x
    x = 218,174,281,582.31/442,608.77
  6. Step 6: Final answer
    x = 492,928.06

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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.