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Finding the Fourth Proportional to 510,164.10, 765,246.15 and 455,051.70

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Solution

The fourth proportional to 510,164.10, 765,246.15 and 455,051.70 is: 682,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,164.10 : 765,246.15 = 455,051.70 : x
  2. Step 2: Convert to fraction form
    510,164.10/765,246.15 = 455,051.70/x
  3. Step 3: Cross multiply
    510,164.10x = 765,246.15 × 455,051.70
  4. Step 4: Simplify right side
    510,164.10x = 348,226,561,475.96
  5. Step 5: Solve for x
    x = 348,226,561,475.96/510,164.10
  6. Step 6: Final answer
    x = 682,577.55

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Similar ratio
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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.