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Finding the Fourth Proportional to 559,424.60, 839,136.90 and 185,447.60

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Solution

The fourth proportional to 559,424.60, 839,136.90 and 185,447.60 is: 278,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,424.60 : 839,136.90 = 185,447.60 : x
  2. Step 2: Convert to fraction form
    559,424.60/839,136.90 = 185,447.60/x
  3. Step 3: Cross multiply
    559,424.60x = 839,136.90 × 185,447.60
  4. Step 4: Simplify right side
    559,424.60x = 155,615,924,176.44
  5. Step 5: Solve for x
    x = 155,615,924,176.44/559,424.60
  6. Step 6: Final answer
    x = 278,171.40

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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.