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Finding the Fourth Proportional to 449,655.03, 620,252.37 and 296,638.83

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Solution

The fourth proportional to 449,655.03, 620,252.37 and 296,638.83 is: 409,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,655.03 : 620,252.37 = 296,638.83 : x
  2. Step 2: Convert to fraction form
    449,655.03/620,252.37 = 296,638.83/x
  3. Step 3: Cross multiply
    449,655.03x = 620,252.37 × 296,638.83
  4. Step 4: Simplify right side
    449,655.03x = 183,990,937,341.53
  5. Step 5: Solve for x
    x = 183,990,937,341.53/449,655.03
  6. Step 6: Final answer
    x = 409,182.43

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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.