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Finding the Fourth Proportional to 323,281.60, 446,248.32 and 277,777.60

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Solution

The fourth proportional to 323,281.60, 446,248.32 and 277,777.60 is: 383,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,281.60 : 446,248.32 = 277,777.60 : x
  2. Step 2: Convert to fraction form
    323,281.60/446,248.32 = 277,777.60/x
  3. Step 3: Cross multiply
    323,281.60x = 446,248.32 × 277,777.60
  4. Step 4: Simplify right side
    323,281.60x = 123,957,787,333.63
  5. Step 5: Solve for x
    x = 123,957,787,333.63/323,281.60
  6. Step 6: Final answer
    x = 383,435.95

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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.