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Finding the Fourth Proportional to 622,999.10, 934,498.65 and 410,422.70

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Solution

The fourth proportional to 622,999.10, 934,498.65 and 410,422.70 is: 615,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,999.10 : 934,498.65 = 410,422.70 : x
  2. Step 2: Convert to fraction form
    622,999.10/934,498.65 = 410,422.70/x
  3. Step 3: Cross multiply
    622,999.10x = 934,498.65 × 410,422.70
  4. Step 4: Simplify right side
    622,999.10x = 383,539,459,079.36
  5. Step 5: Solve for x
    x = 383,539,459,079.36/622,999.10
  6. Step 6: Final answer
    x = 615,634.05

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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.