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Finding the Fourth Proportional to 580,074.66, 800,323.59 and 338,186.07

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Solution

The fourth proportional to 580,074.66, 800,323.59 and 338,186.07 is: 466,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,074.66 : 800,323.59 = 338,186.07 : x
  2. Step 2: Convert to fraction form
    580,074.66/800,323.59 = 338,186.07/x
  3. Step 3: Cross multiply
    580,074.66x = 800,323.59 × 338,186.07
  4. Step 4: Simplify right side
    580,074.66x = 270,658,289,630.39
  5. Step 5: Solve for x
    x = 270,658,289,630.39/580,074.66
  6. Step 6: Final answer
    x = 466,592.16

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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.