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Finding the Fourth Proportional to 609,844.32, 914,855.04 and 189,154.08

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Solution

The fourth proportional to 609,844.32, 914,855.04 and 189,154.08 is: 283,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,844.32 : 914,855.04 = 189,154.08 : x
  2. Step 2: Convert to fraction form
    609,844.32/914,855.04 = 189,154.08/x
  3. Step 3: Cross multiply
    609,844.32x = 914,855.04 × 189,154.08
  4. Step 4: Simplify right side
    609,844.32x = 173,048,563,424.56
  5. Step 5: Solve for x
    x = 173,048,563,424.56/609,844.32
  6. Step 6: Final answer
    x = 283,758.59

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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.