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Finding the Fourth Proportional to 487,573.54, 731,245.44 and 274,432.18

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Solution

The fourth proportional to 487,573.54, 731,245.44 and 274,432.18 is: 411,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,573.54 : 731,245.44 = 274,432.18 : x
  2. Step 2: Convert to fraction form
    487,573.54/731,245.44 = 274,432.18/x
  3. Step 3: Cross multiply
    487,573.54x = 731,245.44 × 274,432.18
  4. Step 4: Simplify right side
    487,573.54x = 200,677,280,214.26
  5. Step 5: Solve for x
    x = 200,677,280,214.26/487,573.54
  6. Step 6: Final answer
    x = 411,583.62

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1.5x scale

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.