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Finding the Fourth Proportional to 323,330.60, 446,196.33 and 187,443.32

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Solution

The fourth proportional to 323,330.60, 446,196.33 and 187,443.32 is: 258,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,330.60 : 446,196.33 = 187,443.32 : x
  2. Step 2: Convert to fraction form
    323,330.60/446,196.33 = 187,443.32/x
  3. Step 3: Cross multiply
    323,330.60x = 446,196.33 × 187,443.32
  4. Step 4: Simplify right side
    323,330.60x = 83,636,519,236.03
  5. Step 5: Solve for x
    x = 83,636,519,236.03/323,330.60
  6. Step 6: Final answer
    x = 258,671.83

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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.