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Finding the Fourth Proportional to 488,564.40, 732,846.60 and 133,614.30

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Solution

The fourth proportional to 488,564.40, 732,846.60 and 133,614.30 is: 200,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,564.40 : 732,846.60 = 133,614.30 : x
  2. Step 2: Convert to fraction form
    488,564.40/732,846.60 = 133,614.30/x
  3. Step 3: Cross multiply
    488,564.40x = 732,846.60 × 133,614.30
  4. Step 4: Simplify right side
    488,564.40x = 97,918,785,466.38
  5. Step 5: Solve for x
    x = 97,918,785,466.38/488,564.40
  6. Step 6: Final answer
    x = 200,421.45

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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.