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Finding the Fourth Proportional to 470,968.70, 706,453.05 and 155,384.60

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Solution

The fourth proportional to 470,968.70, 706,453.05 and 155,384.60 is: 233,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,968.70 : 706,453.05 = 155,384.60 : x
  2. Step 2: Convert to fraction form
    470,968.70/706,453.05 = 155,384.60/x
  3. Step 3: Cross multiply
    470,968.70x = 706,453.05 × 155,384.60
  4. Step 4: Simplify right side
    470,968.70x = 109,771,924,593.03
  5. Step 5: Solve for x
    x = 109,771,924,593.03/470,968.70
  6. Step 6: Final answer
    x = 233,076.90

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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.