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Finding the Fourth Proportional to 504,010.90, 755,433.15 and 204,343.30

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Solution

The fourth proportional to 504,010.90, 755,433.15 and 204,343.30 is: 306,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.90 : 755,433.15 = 204,343.30 : x
  2. Step 2: Convert to fraction form
    504,010.90/755,433.15 = 204,343.30/x
  3. Step 3: Cross multiply
    504,010.90x = 755,433.15 × 204,343.30
  4. Step 4: Simplify right side
    504,010.90x = 154,367,702,800.40
  5. Step 5: Solve for x
    x = 154,367,702,800.40/504,010.90
  6. Step 6: Final answer
    x = 306,278.50

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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.