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Finding the Fourth Proportional to 629,274.40, 943,911.60 and 186,042.40

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Solution

The fourth proportional to 629,274.40, 943,911.60 and 186,042.40 is: 279,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,274.40 : 943,911.60 = 186,042.40 : x
  2. Step 2: Convert to fraction form
    629,274.40/943,911.60 = 186,042.40/x
  3. Step 3: Cross multiply
    629,274.40x = 943,911.60 × 186,042.40
  4. Step 4: Simplify right side
    629,274.40x = 175,607,579,451.84
  5. Step 5: Solve for x
    x = 175,607,579,451.84/629,274.40
  6. Step 6: Final answer
    x = 279,063.60

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Double scale
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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.