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Finding the Fourth Proportional to 395,558.34, 545,859.29 and 232,212.24

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Solution

The fourth proportional to 395,558.34, 545,859.29 and 232,212.24 is: 320,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,558.34 : 545,859.29 = 232,212.24 : x
  2. Step 2: Convert to fraction form
    395,558.34/545,859.29 = 232,212.24/x
  3. Step 3: Cross multiply
    395,558.34x = 545,859.29 × 232,212.24
  4. Step 4: Simplify right side
    395,558.34x = 126,755,208,455.71
  5. Step 5: Solve for x
    x = 126,755,208,455.71/395,558.34
  6. Step 6: Final answer
    x = 320,446.30

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1.5x scale

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.