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Finding the Fourth Proportional to 617,492.88, 926,239.32 and 174,260.88

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Solution

The fourth proportional to 617,492.88, 926,239.32 and 174,260.88 is: 261,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,492.88 : 926,239.32 = 174,260.88 : x
  2. Step 2: Convert to fraction form
    617,492.88/926,239.32 = 174,260.88/x
  3. Step 3: Cross multiply
    617,492.88x = 926,239.32 × 174,260.88
  4. Step 4: Simplify right side
    617,492.88x = 161,407,278,993.80
  5. Step 5: Solve for x
    x = 161,407,278,993.80/617,492.88
  6. Step 6: Final answer
    x = 261,391.32

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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.