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Finding the Fourth Proportional to 419,924.03, 579,503.86 and 236,166.12

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Solution

The fourth proportional to 419,924.03, 579,503.86 and 236,166.12 is: 325,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,924.03 : 579,503.86 = 236,166.12 : x
  2. Step 2: Convert to fraction form
    419,924.03/579,503.86 = 236,166.12/x
  3. Step 3: Cross multiply
    419,924.03x = 579,503.86 × 236,166.12
  4. Step 4: Simplify right side
    419,924.03x = 136,859,177,550.81
  5. Step 5: Solve for x
    x = 136,859,177,550.81/419,924.03
  6. Step 6: Final answer
    x = 325,914.14

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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.