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Finding the Fourth Proportional to 603,530.70, 832,944.78 and 361,946.18

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Solution

The fourth proportional to 603,530.70, 832,944.78 and 361,946.18 is: 499,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,530.70 : 832,944.78 = 361,946.18 : x
  2. Step 2: Convert to fraction form
    603,530.70/832,944.78 = 361,946.18/x
  3. Step 3: Cross multiply
    603,530.70x = 832,944.78 × 361,946.18
  4. Step 4: Simplify right side
    603,530.70x = 301,481,177,107.22
  5. Step 5: Solve for x
    x = 301,481,177,107.22/603,530.70
  6. Step 6: Final answer
    x = 499,529.15

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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.