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Finding the Fourth Proportional to 598,725.60, 826,220.72 and 356,883.44

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Solution

The fourth proportional to 598,725.60, 826,220.72 and 356,883.44 is: 492,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,725.60 : 826,220.72 = 356,883.44 : x
  2. Step 2: Convert to fraction form
    598,725.60/826,220.72 = 356,883.44/x
  3. Step 3: Cross multiply
    598,725.60x = 826,220.72 × 356,883.44
  4. Step 4: Simplify right side
    598,725.60x = 294,864,492,752.88
  5. Step 5: Solve for x
    x = 294,864,492,752.88/598,725.60
  6. Step 6: Final answer
    x = 492,486.86

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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.