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Finding the Fourth Proportional to 622,997.10, 934,495.65 and 410,420.70

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Solution

The fourth proportional to 622,997.10, 934,495.65 and 410,420.70 is: 615,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,997.10 : 934,495.65 = 410,420.70 : x
  2. Step 2: Convert to fraction form
    622,997.10/934,495.65 = 410,420.70/x
  3. Step 3: Cross multiply
    622,997.10x = 934,495.65 × 410,420.70
  4. Step 4: Simplify right side
    622,997.10x = 383,536,358,819.96
  5. Step 5: Solve for x
    x = 383,536,358,819.96/622,997.10
  6. Step 6: Final answer
    x = 615,631.05

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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.