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Finding the Fourth Proportional to 607,517.70, 911,276.55 and 552,405.30

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Solution

The fourth proportional to 607,517.70, 911,276.55 and 552,405.30 is: 828,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,517.70 : 911,276.55 = 552,405.30 : x
  2. Step 2: Convert to fraction form
    607,517.70/911,276.55 = 552,405.30/x
  3. Step 3: Cross multiply
    607,517.70x = 911,276.55 × 552,405.30
  4. Step 4: Simplify right side
    607,517.70x = 503,393,995,985.72
  5. Step 5: Solve for x
    x = 503,393,995,985.72/607,517.70
  6. Step 6: Final answer
    x = 828,607.95

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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.