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Finding the Fourth Proportional to 539,241.90, 808,214.85 and 223,536.30

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Solution

The fourth proportional to 539,241.90, 808,214.85 and 223,536.30 is: 335,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,241.90 : 808,214.85 = 223,536.30 : x
  2. Step 2: Convert to fraction form
    539,241.90/808,214.85 = 223,536.30/x
  3. Step 3: Cross multiply
    539,241.90x = 808,214.85 × 223,536.30
  4. Step 4: Simplify right side
    539,241.90x = 180,665,357,174.06
  5. Step 5: Solve for x
    x = 180,665,357,174.06/539,241.90
  6. Step 6: Final answer
    x = 335,035.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.