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Finding the Fourth Proportional to 339,271.60, 508,907.40 and 227,005.60

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Solution

The fourth proportional to 339,271.60, 508,907.40 and 227,005.60 is: 340,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,271.60 : 508,907.40 = 227,005.60 : x
  2. Step 2: Convert to fraction form
    339,271.60/508,907.40 = 227,005.60/x
  3. Step 3: Cross multiply
    339,271.60x = 508,907.40 × 227,005.60
  4. Step 4: Simplify right side
    339,271.60x = 115,524,829,681.44
  5. Step 5: Solve for x
    x = 115,524,829,681.44/339,271.60
  6. Step 6: Final answer
    x = 340,508.40

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1.5x scale

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.