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Finding the Fourth Proportional to 474,034.40, 709,899.60 and 251,928.80

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Solution

The fourth proportional to 474,034.40, 709,899.60 and 251,928.80 is: 377,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,034.40 : 709,899.60 = 251,928.80 : x
  2. Step 2: Convert to fraction form
    474,034.40/709,899.60 = 251,928.80/x
  3. Step 3: Cross multiply
    474,034.40x = 709,899.60 × 251,928.80
  4. Step 4: Simplify right side
    474,034.40x = 178,844,154,348.48
  5. Step 5: Solve for x
    x = 178,844,154,348.48/474,034.40
  6. Step 6: Final answer
    x = 377,280.96

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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.