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Finding the Fourth Proportional to 480,349.82, 662,917.08 and 265,485.24

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Solution

The fourth proportional to 480,349.82, 662,917.08 and 265,485.24 is: 366,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,349.82 : 662,917.08 = 265,485.24 : x
  2. Step 2: Convert to fraction form
    480,349.82/662,917.08 = 265,485.24/x
  3. Step 3: Cross multiply
    480,349.82x = 662,917.08 × 265,485.24
  4. Step 4: Simplify right side
    480,349.82x = 175,994,700,083.90
  5. Step 5: Solve for x
    x = 175,994,700,083.90/480,349.82
  6. Step 6: Final answer
    x = 366,388.60

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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.