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Finding the Fourth Proportional to 594,604.76, 820,555.13 and 339,961.28

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Solution

The fourth proportional to 594,604.76, 820,555.13 and 339,961.28 is: 469,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,604.76 : 820,555.13 = 339,961.28 : x
  2. Step 2: Convert to fraction form
    594,604.76/820,555.13 = 339,961.28/x
  3. Step 3: Cross multiply
    594,604.76x = 820,555.13 × 339,961.28
  4. Step 4: Simplify right side
    594,604.76x = 278,956,970,605.56
  5. Step 5: Solve for x
    x = 278,956,970,605.56/594,604.76
  6. Step 6: Final answer
    x = 469,146.88

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.