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Finding the Fourth Proportional to 609,095.20, 914,679.60 and 451,501.60

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Solution

The fourth proportional to 609,095.20, 914,679.60 and 451,501.60 is: 678,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,095.20 : 914,679.60 = 451,501.60 : x
  2. Step 2: Convert to fraction form
    609,095.20/914,679.60 = 451,501.60/x
  3. Step 3: Cross multiply
    609,095.20x = 914,679.60 × 451,501.60
  4. Step 4: Simplify right side
    609,095.20x = 412,979,302,887.36
  5. Step 5: Solve for x
    x = 412,979,302,887.36/609,095.20
  6. Step 6: Final answer
    x = 678,020.94

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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.