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Finding the Fourth Proportional to 539,066.85, 808,600.28 and 512,822.85

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Solution

The fourth proportional to 539,066.85, 808,600.28 and 512,822.85 is: 769,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,066.85 : 808,600.28 = 512,822.85 : x
  2. Step 2: Convert to fraction form
    539,066.85/808,600.28 = 512,822.85/x
  3. Step 3: Cross multiply
    539,066.85x = 808,600.28 × 512,822.85
  4. Step 4: Simplify right side
    539,066.85x = 414,668,697,536.28
  5. Step 5: Solve for x
    x = 414,668,697,536.28/539,066.85
  6. Step 6: Final answer
    x = 769,234.28

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Similar ratio
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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.