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Finding the Fourth Proportional to 671,500.20, 926,679.66 and 365,585.85

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Solution

The fourth proportional to 671,500.20, 926,679.66 and 365,585.85 is: 504,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,500.20 : 926,679.66 = 365,585.85 : x
  2. Step 2: Convert to fraction form
    671,500.20/926,679.66 = 365,585.85/x
  3. Step 3: Cross multiply
    671,500.20x = 926,679.66 × 365,585.85
  4. Step 4: Simplify right side
    671,500.20x = 338,780,971,178.81
  5. Step 5: Solve for x
    x = 338,780,971,178.81/671,500.20
  6. Step 6: Final answer
    x = 504,513.58

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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.