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Finding the Fourth Proportional to 510,776.25, 766,164.36 and 240,841.55

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Solution

The fourth proportional to 510,776.25, 766,164.36 and 240,841.55 is: 361,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,776.25 : 766,164.36 = 240,841.55 : x
  2. Step 2: Convert to fraction form
    510,776.25/766,164.36 = 240,841.55/x
  3. Step 3: Cross multiply
    510,776.25x = 766,164.36 × 240,841.55
  4. Step 4: Simplify right side
    510,776.25x = 184,524,214,534.67
  5. Step 5: Solve for x
    x = 184,524,214,534.67/510,776.25
  6. Step 6: Final answer
    x = 361,262.32

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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.