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Finding the Fourth Proportional to 580,443.46, 800,985.04 and 322,336.80

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Solution

The fourth proportional to 580,443.46, 800,985.04 and 322,336.80 is: 444,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,443.46 : 800,985.04 = 322,336.80 : x
  2. Step 2: Convert to fraction form
    580,443.46/800,985.04 = 322,336.80/x
  3. Step 3: Cross multiply
    580,443.46x = 800,985.04 × 322,336.80
  4. Step 4: Simplify right side
    580,443.46x = 258,186,953,835.63
  5. Step 5: Solve for x
    x = 258,186,953,835.63/580,443.46
  6. Step 6: Final answer
    x = 444,809.83

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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.