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Finding the Fourth Proportional to 538,907.40, 808,361.10 and 184,321.80

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Solution

The fourth proportional to 538,907.40, 808,361.10 and 184,321.80 is: 276,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,907.40 : 808,361.10 = 184,321.80 : x
  2. Step 2: Convert to fraction form
    538,907.40/808,361.10 = 184,321.80/x
  3. Step 3: Cross multiply
    538,907.40x = 808,361.10 × 184,321.80
  4. Step 4: Simplify right side
    538,907.40x = 148,998,573,001.98
  5. Step 5: Solve for x
    x = 148,998,573,001.98/538,907.40
  6. Step 6: Final answer
    x = 276,482.70

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Similar ratio
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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.