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Finding the Fourth Proportional to 609,820.60, 914,730.90 and 277,396.60

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Solution

The fourth proportional to 609,820.60, 914,730.90 and 277,396.60 is: 416,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,820.60 : 914,730.90 = 277,396.60 : x
  2. Step 2: Convert to fraction form
    609,820.60/914,730.90 = 277,396.60/x
  3. Step 3: Cross multiply
    609,820.60x = 914,730.90 × 277,396.60
  4. Step 4: Simplify right side
    609,820.60x = 253,743,241,574.94
  5. Step 5: Solve for x
    x = 253,743,241,574.94/609,820.60
  6. Step 6: Final answer
    x = 416,094.90

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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.