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Finding the Fourth Proportional to 603,053.12, 832,225.20 and 331,118.64

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Solution

The fourth proportional to 603,053.12, 832,225.20 and 331,118.64 is: 456,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,053.12 : 832,225.20 = 331,118.64 : x
  2. Step 2: Convert to fraction form
    603,053.12/832,225.20 = 331,118.64/x
  3. Step 3: Cross multiply
    603,053.12x = 832,225.20 × 331,118.64
  4. Step 4: Simplify right side
    603,053.12x = 275,565,276,397.73
  5. Step 5: Solve for x
    x = 275,565,276,397.73/603,053.12
  6. Step 6: Final answer
    x = 456,950.25

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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.