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Finding the Fourth Proportional to 275,611.60, 413,417.40 and 181,133.20

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Solution

The fourth proportional to 275,611.60, 413,417.40 and 181,133.20 is: 271,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,611.60 : 413,417.40 = 181,133.20 : x
  2. Step 2: Convert to fraction form
    275,611.60/413,417.40 = 181,133.20/x
  3. Step 3: Cross multiply
    275,611.60x = 413,417.40 × 181,133.20
  4. Step 4: Simplify right side
    275,611.60x = 74,883,616,597.68
  5. Step 5: Solve for x
    x = 74,883,616,597.68/275,611.60
  6. Step 6: Final answer
    x = 271,699.80

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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.