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Finding the Fourth Proportional to 581,660.76, 802,593.57 and 323,503.77

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Solution

The fourth proportional to 581,660.76, 802,593.57 and 323,503.77 is: 446,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,660.76 : 802,593.57 = 323,503.77 : x
  2. Step 2: Convert to fraction form
    581,660.76/802,593.57 = 323,503.77/x
  3. Step 3: Cross multiply
    581,660.76x = 802,593.57 × 323,503.77
  4. Step 4: Simplify right side
    581,660.76x = 259,642,045,672.76
  5. Step 5: Solve for x
    x = 259,642,045,672.76/581,660.76
  6. Step 6: Final answer
    x = 446,380.54

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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.