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Finding the Fourth Proportional to 569,618.40, 854,427.60 and 148,936.80

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Solution

The fourth proportional to 569,618.40, 854,427.60 and 148,936.80 is: 223,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,618.40 : 854,427.60 = 148,936.80 : x
  2. Step 2: Convert to fraction form
    569,618.40/854,427.60 = 148,936.80/x
  3. Step 3: Cross multiply
    569,618.40x = 854,427.60 × 148,936.80
  4. Step 4: Simplify right side
    569,618.40x = 127,255,712,575.68
  5. Step 5: Solve for x
    x = 127,255,712,575.68/569,618.40
  6. Step 6: Final answer
    x = 223,405.20

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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.