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Finding the Fourth Proportional to 580,392.48, 800,981.30 and 322,282.76

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Solution

The fourth proportional to 580,392.48, 800,981.30 and 322,282.76 is: 444,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,392.48 : 800,981.30 = 322,282.76 : x
  2. Step 2: Convert to fraction form
    580,392.48/800,981.30 = 322,282.76/x
  3. Step 3: Cross multiply
    580,392.48x = 800,981.30 × 322,282.76
  4. Step 4: Simplify right side
    580,392.48x = 258,142,464,072.39
  5. Step 5: Solve for x
    x = 258,142,464,072.39/580,392.48
  6. Step 6: Final answer
    x = 444,772.24

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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.