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Finding the Fourth Proportional to 673,199.44, 929,010.80 and 382,811.03

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Solution

The fourth proportional to 673,199.44, 929,010.80 and 382,811.03 is: 528,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,199.44 : 929,010.80 = 382,811.03 : x
  2. Step 2: Convert to fraction form
    673,199.44/929,010.80 = 382,811.03/x
  3. Step 3: Cross multiply
    673,199.44x = 929,010.80 × 382,811.03
  4. Step 4: Simplify right side
    673,199.44x = 355,635,581,024.89
  5. Step 5: Solve for x
    x = 355,635,581,024.89/673,199.44
  6. Step 6: Final answer
    x = 528,276.71

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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.