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Finding the Fourth Proportional to 603,315.22, 832,581.84 and 331,389.49

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Solution

The fourth proportional to 603,315.22, 832,581.84 and 331,389.49 is: 457,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,315.22 : 832,581.84 = 331,389.49 : x
  2. Step 2: Convert to fraction form
    603,315.22/832,581.84 = 331,389.49/x
  3. Step 3: Cross multiply
    603,315.22x = 832,581.84 × 331,389.49
  4. Step 4: Simplify right side
    603,315.22x = 275,908,871,340.86
  5. Step 5: Solve for x
    x = 275,908,871,340.86/603,315.22
  6. Step 6: Final answer
    x = 457,321.25

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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.