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Finding the Fourth Proportional to 671,201.74, 926,049.39 and 380,765.10

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Solution

The fourth proportional to 671,201.74, 926,049.39 and 380,765.10 is: 525,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,201.74 : 926,049.39 = 380,765.10 : x
  2. Step 2: Convert to fraction form
    671,201.74/926,049.39 = 380,765.10/x
  3. Step 3: Cross multiply
    671,201.74x = 926,049.39 × 380,765.10
  4. Step 4: Simplify right side
    671,201.74x = 352,607,288,588.29
  5. Step 5: Solve for x
    x = 352,607,288,588.29/671,201.74
  6. Step 6: Final answer
    x = 525,337.27

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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.