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Finding the Fourth Proportional to 415,800.28, 573,804.27 and 234,511.84

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Solution

The fourth proportional to 415,800.28, 573,804.27 and 234,511.84 is: 323,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,800.28 : 573,804.27 = 234,511.84 : x
  2. Step 2: Convert to fraction form
    415,800.28/573,804.27 = 234,511.84/x
  3. Step 3: Cross multiply
    415,800.28x = 573,804.27 × 234,511.84
  4. Step 4: Simplify right side
    415,800.28x = 134,563,895,157.56
  5. Step 5: Solve for x
    x = 134,563,895,157.56/415,800.28
  6. Step 6: Final answer
    x = 323,626.27

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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.