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Finding the Fourth Proportional to 339,671.04, 468,305.28 and 218,595.84

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Solution

The fourth proportional to 339,671.04, 468,305.28 and 218,595.84 is: 301,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,671.04 : 468,305.28 = 218,595.84 : x
  2. Step 2: Convert to fraction form
    339,671.04/468,305.28 = 218,595.84/x
  3. Step 3: Cross multiply
    339,671.04x = 468,305.28 × 218,595.84
  4. Step 4: Simplify right side
    339,671.04x = 102,369,586,058.04
  5. Step 5: Solve for x
    x = 102,369,586,058.04/339,671.04
  6. Step 6: Final answer
    x = 301,378.61

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1.5x scale

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.