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Finding the Fourth Proportional to 505,195.60, 756,043.80 and 463,205.20

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Solution

The fourth proportional to 505,195.60, 756,043.80 and 463,205.20 is: 693,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,195.60 : 756,043.80 = 463,205.20 : x
  2. Step 2: Convert to fraction form
    505,195.60/756,043.80 = 463,205.20/x
  3. Step 3: Cross multiply
    505,195.60x = 756,043.80 × 463,205.20
  4. Step 4: Simplify right side
    505,195.60x = 350,203,419,587.76
  5. Step 5: Solve for x
    x = 350,203,419,587.76/505,195.60
  6. Step 6: Final answer
    x = 693,203.62

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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.