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Finding the Fourth Proportional to 451,503.40, 677,255.10 and 410,169.10

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Solution

The fourth proportional to 451,503.40, 677,255.10 and 410,169.10 is: 615,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,503.40 : 677,255.10 = 410,169.10 : x
  2. Step 2: Convert to fraction form
    451,503.40/677,255.10 = 410,169.10/x
  3. Step 3: Cross multiply
    451,503.40x = 677,255.10 × 410,169.10
  4. Step 4: Simplify right side
    451,503.40x = 277,789,114,837.41
  5. Step 5: Solve for x
    x = 277,789,114,837.41/451,503.40
  6. Step 6: Final answer
    x = 615,253.65

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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.