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Finding the Fourth Proportional to 296,671.17, 409,408.17 and 160,705.11

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Solution

The fourth proportional to 296,671.17, 409,408.17 and 160,705.11 is: 221,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,671.17 : 409,408.17 = 160,705.11 : x
  2. Step 2: Convert to fraction form
    296,671.17/409,408.17 = 160,705.11/x
  3. Step 3: Cross multiply
    296,671.17x = 409,408.17 × 160,705.11
  4. Step 4: Simplify right side
    296,671.17x = 65,793,984,994.75
  5. Step 5: Solve for x
    x = 65,793,984,994.75/296,671.17
  6. Step 6: Final answer
    x = 221,774.11

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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.