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Finding the Fourth Proportional to 580,332.54, 800,653.56 and 379,245.18

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Solution

The fourth proportional to 580,332.54, 800,653.56 and 379,245.18 is: 523,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,332.54 : 800,653.56 = 379,245.18 : x
  2. Step 2: Convert to fraction form
    580,332.54/800,653.56 = 379,245.18/x
  3. Step 3: Cross multiply
    580,332.54x = 800,653.56 × 379,245.18
  4. Step 4: Simplify right side
    580,332.54x = 303,644,003,479.84
  5. Step 5: Solve for x
    x = 303,644,003,479.84/580,332.54
  6. Step 6: Final answer
    x = 523,224.16

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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.