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Finding the Fourth Proportional to 594,517.56, 820,379.88 and 352,758.48

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Solution

The fourth proportional to 594,517.56, 820,379.88 and 352,758.48 is: 486,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,517.56 : 820,379.88 = 352,758.48 : x
  2. Step 2: Convert to fraction form
    594,517.56/820,379.88 = 352,758.48/x
  3. Step 3: Cross multiply
    594,517.56x = 820,379.88 × 352,758.48
  4. Step 4: Simplify right side
    594,517.56x = 289,395,959,491.38
  5. Step 5: Solve for x
    x = 289,395,959,491.38/594,517.56
  6. Step 6: Final answer
    x = 486,774.45

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Double scale
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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.