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Finding the Fourth Proportional to 622,987.10, 934,480.65 and 410,410.70

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Solution

The fourth proportional to 622,987.10, 934,480.65 and 410,410.70 is: 615,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,987.10 : 934,480.65 = 410,410.70 : x
  2. Step 2: Convert to fraction form
    622,987.10/934,480.65 = 410,410.70/x
  3. Step 3: Cross multiply
    622,987.10x = 934,480.65 × 410,410.70
  4. Step 4: Simplify right side
    622,987.10x = 383,520,857,702.96
  5. Step 5: Solve for x
    x = 383,520,857,702.96/622,987.10
  6. Step 6: Final answer
    x = 615,616.05

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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.