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Finding the Fourth Proportional to 603,303.93, 832,566.15 and 331,378.11

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Solution

The fourth proportional to 603,303.93, 832,566.15 and 331,378.11 is: 457,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,303.93 : 832,566.15 = 331,378.11 : x
  2. Step 2: Convert to fraction form
    603,303.93/832,566.15 = 331,378.11/x
  3. Step 3: Cross multiply
    603,303.93x = 832,566.15 × 331,378.11
  4. Step 4: Simplify right side
    603,303.93x = 275,894,197,236.98
  5. Step 5: Solve for x
    x = 275,894,197,236.98/603,303.93
  6. Step 6: Final answer
    x = 457,305.49

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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.