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Finding the Fourth Proportional to 320,703.64, 481,221.48 and 232,683.64

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Solution

The fourth proportional to 320,703.64, 481,221.48 and 232,683.64 is: 349,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,703.64 : 481,221.48 = 232,683.64 : x
  2. Step 2: Convert to fraction form
    320,703.64/481,221.48 = 232,683.64/x
  3. Step 3: Cross multiply
    320,703.64x = 481,221.48 × 232,683.64
  4. Step 4: Simplify right side
    320,703.64x = 111,972,365,612.59
  5. Step 5: Solve for x
    x = 111,972,365,612.59/320,703.64
  6. Step 6: Final answer
    x = 349,145.91

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1.5x scale

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.