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Finding the Fourth Proportional to 674,682.96, 931,026.12 and 372,858.96

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Solution

The fourth proportional to 674,682.96, 931,026.12 and 372,858.96 is: 514,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,682.96 : 931,026.12 = 372,858.96 : x
  2. Step 2: Convert to fraction form
    674,682.96/931,026.12 = 372,858.96/x
  3. Step 3: Cross multiply
    674,682.96x = 931,026.12 × 372,858.96
  4. Step 4: Simplify right side
    674,682.96x = 347,141,430,836.04
  5. Step 5: Solve for x
    x = 347,141,430,836.04/674,682.96
  6. Step 6: Final answer
    x = 514,525.27

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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.