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Finding the Fourth Proportional to 580,557, 801,165.44 and 325,908.12

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Solution

The fourth proportional to 580,557, 801,165.44 and 325,908.12 is: 449,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,557 : 801,165.44 = 325,908.12 : x
  2. Step 2: Convert to fraction form
    580,557/801,165.44 = 325,908.12/x
  3. Step 3: Cross multiply
    580,557x = 801,165.44 × 325,908.12
  4. Step 4: Simplify right side
    580,557x = 261,106,322,359.37
  5. Step 5: Solve for x
    x = 261,106,322,359.37/580,557
  6. Step 6: Final answer
    x = 449,751.40

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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.