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Finding the Fourth Proportional to 296,446.30, 409,331.76 and 273,776.98

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Solution

The fourth proportional to 296,446.30, 409,331.76 and 273,776.98 is: 378,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,446.30 : 409,331.76 = 273,776.98 : x
  2. Step 2: Convert to fraction form
    296,446.30/409,331.76 = 273,776.98/x
  3. Step 3: Cross multiply
    296,446.30x = 409,331.76 × 273,776.98
  4. Step 4: Simplify right side
    296,446.30x = 112,065,613,070.89
  5. Step 5: Solve for x
    x = 112,065,613,070.89/296,446.30
  6. Step 6: Final answer
    x = 378,030.06

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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.