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Finding the Fourth Proportional to 451,609.40, 677,414.10 and 185,281.40

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Solution

The fourth proportional to 451,609.40, 677,414.10 and 185,281.40 is: 277,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,609.40 : 677,414.10 = 185,281.40 : x
  2. Step 2: Convert to fraction form
    451,609.40/677,414.10 = 185,281.40/x
  3. Step 3: Cross multiply
    451,609.40x = 677,414.10 × 185,281.40
  4. Step 4: Simplify right side
    451,609.40x = 125,512,232,827.74
  5. Step 5: Solve for x
    x = 125,512,232,827.74/451,609.40
  6. Step 6: Final answer
    x = 277,922.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.