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Finding the Fourth Proportional to 603,202.70, 832,742.90 and 465,079.95

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Solution

The fourth proportional to 603,202.70, 832,742.90 and 465,079.95 is: 642,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,202.70 : 832,742.90 = 465,079.95 : x
  2. Step 2: Convert to fraction form
    603,202.70/832,742.90 = 465,079.95/x
  3. Step 3: Cross multiply
    603,202.70x = 832,742.90 × 465,079.95
  4. Step 4: Simplify right side
    603,202.70x = 387,292,023,969.46
  5. Step 5: Solve for x
    x = 387,292,023,969.46/603,202.70
  6. Step 6: Final answer
    x = 642,059.51

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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.