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Finding the Fourth Proportional to 480,321.16, 720,496.32 and 164,773.52

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Solution

The fourth proportional to 480,321.16, 720,496.32 and 164,773.52 is: 247,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,321.16 : 720,496.32 = 164,773.52 : x
  2. Step 2: Convert to fraction form
    480,321.16/720,496.32 = 164,773.52/x
  3. Step 3: Cross multiply
    480,321.16x = 720,496.32 × 164,773.52
  4. Step 4: Simplify right side
    480,321.16x = 118,718,714,793.45
  5. Step 5: Solve for x
    x = 118,718,714,793.45/480,321.16
  6. Step 6: Final answer
    x = 247,165.28

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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.