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Finding the Fourth Proportional to 454,313.70, 681,470.55 and 277,166.70

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Solution

The fourth proportional to 454,313.70, 681,470.55 and 277,166.70 is: 415,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,313.70 : 681,470.55 = 277,166.70 : x
  2. Step 2: Convert to fraction form
    454,313.70/681,470.55 = 277,166.70/x
  3. Step 3: Cross multiply
    454,313.70x = 681,470.55 × 277,166.70
  4. Step 4: Simplify right side
    454,313.70x = 188,880,943,490.69
  5. Step 5: Solve for x
    x = 188,880,943,490.69/454,313.70
  6. Step 6: Final answer
    x = 415,750.05

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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.