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Finding the Fourth Proportional to 607,310.90, 910,792.20 and 180,828.89

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Solution

The fourth proportional to 607,310.90, 910,792.20 and 180,828.89 is: 271,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,310.90 : 910,792.20 = 180,828.89 : x
  2. Step 2: Convert to fraction form
    607,310.90/910,792.20 = 180,828.89/x
  3. Step 3: Cross multiply
    607,310.90x = 910,792.20 × 180,828.89
  4. Step 4: Simplify right side
    607,310.90x = 164,697,542,546.66
  5. Step 5: Solve for x
    x = 164,697,542,546.66/607,310.90
  6. Step 6: Final answer
    x = 271,191.48

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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.