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Finding the Fourth Proportional to 603,573.72, 832,619.40 and 409,991.40

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Solution

The fourth proportional to 603,573.72, 832,619.40 and 409,991.40 is: 565,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,573.72 : 832,619.40 = 409,991.40 : x
  2. Step 2: Convert to fraction form
    603,573.72/832,619.40 = 409,991.40/x
  3. Step 3: Cross multiply
    603,573.72x = 832,619.40 × 409,991.40
  4. Step 4: Simplify right side
    603,573.72x = 341,366,793,473.16
  5. Step 5: Solve for x
    x = 341,366,793,473.16/603,573.72
  6. Step 6: Final answer
    x = 565,575.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.