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Finding the Fourth Proportional to 505,403.34, 698,194.44 and 437,302.05

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Solution

The fourth proportional to 505,403.34, 698,194.44 and 437,302.05 is: 604,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,403.34 : 698,194.44 = 437,302.05 : x
  2. Step 2: Convert to fraction form
    505,403.34/698,194.44 = 437,302.05/x
  3. Step 3: Cross multiply
    505,403.34x = 698,194.44 × 437,302.05
  4. Step 4: Simplify right side
    505,403.34x = 305,321,859,910.60
  5. Step 5: Solve for x
    x = 305,321,859,910.60/505,403.34
  6. Step 6: Final answer
    x = 604,115.24

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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.