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Finding the Fourth Proportional to 609,780.60, 914,670.90 and 166,548.60

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Solution

The fourth proportional to 609,780.60, 914,670.90 and 166,548.60 is: 249,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,780.60 : 914,670.90 = 166,548.60 : x
  2. Step 2: Convert to fraction form
    609,780.60/914,670.90 = 166,548.60/x
  3. Step 3: Cross multiply
    609,780.60x = 914,670.90 × 166,548.60
  4. Step 4: Simplify right side
    609,780.60x = 152,337,157,855.74
  5. Step 5: Solve for x
    x = 152,337,157,855.74/609,780.60
  6. Step 6: Final answer
    x = 249,822.90

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Similar ratio
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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.