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Finding the Fourth Proportional to 437,931.60, 656,897.40 and 367,072.80

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Solution

The fourth proportional to 437,931.60, 656,897.40 and 367,072.80 is: 550,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,931.60 : 656,897.40 = 367,072.80 : x
  2. Step 2: Convert to fraction form
    437,931.60/656,897.40 = 367,072.80/x
  3. Step 3: Cross multiply
    437,931.60x = 656,897.40 × 367,072.80
  4. Step 4: Simplify right side
    437,931.60x = 241,129,167,930.72
  5. Step 5: Solve for x
    x = 241,129,167,930.72/437,931.60
  6. Step 6: Final answer
    x = 550,609.20

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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.