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Finding the Fourth Proportional to 395,253.80, 592,880.70 and 339,266.60

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Solution

The fourth proportional to 395,253.80, 592,880.70 and 339,266.60 is: 508,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,253.80 : 592,880.70 = 339,266.60 : x
  2. Step 2: Convert to fraction form
    395,253.80/592,880.70 = 339,266.60/x
  3. Step 3: Cross multiply
    395,253.80x = 592,880.70 × 339,266.60
  4. Step 4: Simplify right side
    395,253.80x = 201,144,619,294.62
  5. Step 5: Solve for x
    x = 201,144,619,294.62/395,253.80
  6. Step 6: Final answer
    x = 508,899.90

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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.