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Finding the Fourth Proportional to 580,054.19, 800,480.24 and 325,410.84

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Solution

The fourth proportional to 580,054.19, 800,480.24 and 325,410.84 is: 449,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,054.19 : 800,480.24 = 325,410.84 : x
  2. Step 2: Convert to fraction form
    580,054.19/800,480.24 = 325,410.84/x
  3. Step 3: Cross multiply
    580,054.19x = 800,480.24 × 325,410.84
  4. Step 4: Simplify right side
    580,054.19x = 260,484,945,674.75
  5. Step 5: Solve for x
    x = 260,484,945,674.75/580,054.19
  6. Step 6: Final answer
    x = 449,070.02

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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.