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Finding the Fourth Proportional to 452,897.56, 679,532.64 and 200,044.72

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Solution

The fourth proportional to 452,897.56, 679,532.64 and 200,044.72 is: 300,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,897.56 : 679,532.64 = 200,044.72 : x
  2. Step 2: Convert to fraction form
    452,897.56/679,532.64 = 200,044.72/x
  3. Step 3: Cross multiply
    452,897.56x = 679,532.64 × 200,044.72
  4. Step 4: Simplify right side
    452,897.56x = 135,936,916,699.66
  5. Step 5: Solve for x
    x = 135,936,916,699.66/452,897.56
  6. Step 6: Final answer
    x = 300,149.37

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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.