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Finding the Fourth Proportional to 603,299.68, 832,698.54 and 345,326.20

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Solution

The fourth proportional to 603,299.68, 832,698.54 and 345,326.20 is: 476,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,299.68 : 832,698.54 = 345,326.20 : x
  2. Step 2: Convert to fraction form
    603,299.68/832,698.54 = 345,326.20/x
  3. Step 3: Cross multiply
    603,299.68x = 832,698.54 × 345,326.20
  4. Step 4: Simplify right side
    603,299.68x = 287,552,622,563.75
  5. Step 5: Solve for x
    x = 287,552,622,563.75/603,299.68
  6. Step 6: Final answer
    x = 476,633.14

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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.