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Finding the Fourth Proportional to 575,904.60, 863,856.90 and 276,334.20

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Solution

The fourth proportional to 575,904.60, 863,856.90 and 276,334.20 is: 414,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,904.60 : 863,856.90 = 276,334.20 : x
  2. Step 2: Convert to fraction form
    575,904.60/863,856.90 = 276,334.20/x
  3. Step 3: Cross multiply
    575,904.60x = 863,856.90 × 276,334.20
  4. Step 4: Simplify right side
    575,904.60x = 238,713,205,375.98
  5. Step 5: Solve for x
    x = 238,713,205,375.98/575,904.60
  6. Step 6: Final answer
    x = 414,501.30

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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.