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Finding the Fourth Proportional to 555,380.67, 766,409.94 and 329,026.17

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Solution

The fourth proportional to 555,380.67, 766,409.94 and 329,026.17 is: 454,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,380.67 : 766,409.94 = 329,026.17 : x
  2. Step 2: Convert to fraction form
    555,380.67/766,409.94 = 329,026.17/x
  3. Step 3: Cross multiply
    555,380.67x = 766,409.94 × 329,026.17
  4. Step 4: Simplify right side
    555,380.67x = 252,168,927,208.13
  5. Step 5: Solve for x
    x = 252,168,927,208.13/555,380.67
  6. Step 6: Final answer
    x = 454,047.00

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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.