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Finding the Fourth Proportional to 603,343.95, 832,640.82 and 345,301.90

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Solution

The fourth proportional to 603,343.95, 832,640.82 and 345,301.90 is: 476,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,343.95 : 832,640.82 = 345,301.90 : x
  2. Step 2: Convert to fraction form
    603,343.95/832,640.82 = 345,301.90/x
  3. Step 3: Cross multiply
    603,343.95x = 832,640.82 × 345,301.90
  4. Step 4: Simplify right side
    603,343.95x = 287,512,457,163.56
  5. Step 5: Solve for x
    x = 287,512,457,163.56/603,343.95
  6. Step 6: Final answer
    x = 476,531.60

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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.