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Finding the Fourth Proportional to 603,570.72, 832,615.26 and 409,988.40

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Solution

The fourth proportional to 603,570.72, 832,615.26 and 409,988.40 is: 565,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,570.72 : 832,615.26 = 409,988.40 : x
  2. Step 2: Convert to fraction form
    603,570.72/832,615.26 = 409,988.40/x
  3. Step 3: Cross multiply
    603,570.72x = 832,615.26 × 409,988.40
  4. Step 4: Simplify right side
    603,570.72x = 341,362,598,262.98
  5. Step 5: Solve for x
    x = 341,362,598,262.98/603,570.72
  6. Step 6: Final answer
    x = 565,571.83

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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.