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Finding the Fourth Proportional to 609,015.68, 913,523.52 and 188,282.24

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Solution

The fourth proportional to 609,015.68, 913,523.52 and 188,282.24 is: 282,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,015.68 : 913,523.52 = 188,282.24 : x
  2. Step 2: Convert to fraction form
    609,015.68/913,523.52 = 188,282.24/x
  3. Step 3: Cross multiply
    609,015.68x = 913,523.52 × 188,282.24
  4. Step 4: Simplify right side
    609,015.68x = 172,000,254,638.29
  5. Step 5: Solve for x
    x = 172,000,254,638.29/609,015.68
  6. Step 6: Final answer
    x = 282,423.36

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Double scale
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Similar ratio
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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.