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Finding the Fourth Proportional to 603,105.63, 832,352.13 and 345,006.42

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Solution

The fourth proportional to 603,105.63, 832,352.13 and 345,006.42 is: 476,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,105.63 : 832,352.13 = 345,006.42 : x
  2. Step 2: Convert to fraction form
    603,105.63/832,352.13 = 345,006.42/x
  3. Step 3: Cross multiply
    603,105.63x = 832,352.13 × 345,006.42
  4. Step 4: Simplify right side
    603,105.63x = 287,166,828,550.68
  5. Step 5: Solve for x
    x = 287,166,828,550.68/603,105.63
  6. Step 6: Final answer
    x = 476,146.82

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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.