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Finding the Fourth Proportional to 427,999.53, 590,645.97 and 234,403.68

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Solution

The fourth proportional to 427,999.53, 590,645.97 and 234,403.68 is: 323,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,999.53 : 590,645.97 = 234,403.68 : x
  2. Step 2: Convert to fraction form
    427,999.53/590,645.97 = 234,403.68/x
  3. Step 3: Cross multiply
    427,999.53x = 590,645.97 × 234,403.68
  4. Step 4: Simplify right side
    427,999.53x = 138,449,588,945.17
  5. Step 5: Solve for x
    x = 138,449,588,945.17/427,999.53
  6. Step 6: Final answer
    x = 323,480.70

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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.