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Finding the Fourth Proportional to 580,776.32, 801,450.60 and 326,138.24

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Solution

The fourth proportional to 580,776.32, 801,450.60 and 326,138.24 is: 450,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,776.32 : 801,450.60 = 326,138.24 : x
  2. Step 2: Convert to fraction form
    580,776.32/801,450.60 = 326,138.24/x
  3. Step 3: Cross multiply
    580,776.32x = 801,450.60 × 326,138.24
  4. Step 4: Simplify right side
    580,776.32x = 261,383,688,130.94
  5. Step 5: Solve for x
    x = 261,383,688,130.94/580,776.32
  6. Step 6: Final answer
    x = 450,059.13

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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.