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Finding the Fourth Proportional to 404,997.60, 607,496.40 and 271,153.20

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Solution

The fourth proportional to 404,997.60, 607,496.40 and 271,153.20 is: 406,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,997.60 : 607,496.40 = 271,153.20 : x
  2. Step 2: Convert to fraction form
    404,997.60/607,496.40 = 271,153.20/x
  3. Step 3: Cross multiply
    404,997.60x = 607,496.40 × 271,153.20
  4. Step 4: Simplify right side
    404,997.60x = 164,724,592,848.48
  5. Step 5: Solve for x
    x = 164,724,592,848.48/404,997.60
  6. Step 6: Final answer
    x = 406,729.80

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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.