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Finding the Fourth Proportional to 609,923.64, 914,885.28 and 294,995.64

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Solution

The fourth proportional to 609,923.64, 914,885.28 and 294,995.64 is: 442,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,923.64 : 914,885.28 = 294,995.64 : x
  2. Step 2: Convert to fraction form
    609,923.64/914,885.28 = 294,995.64/x
  3. Step 3: Cross multiply
    609,923.64x = 914,885.28 × 294,995.64
  4. Step 4: Simplify right side
    609,923.64x = 269,887,168,700.18
  5. Step 5: Solve for x
    x = 269,887,168,700.18/609,923.64
  6. Step 6: Final answer
    x = 442,493.37

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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.