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Finding the Fourth Proportional to 351,250.20, 526,097.70 and 289,042.20

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Solution

The fourth proportional to 351,250.20, 526,097.70 and 289,042.20 is: 432,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,250.20 : 526,097.70 = 289,042.20 : x
  2. Step 2: Convert to fraction form
    351,250.20/526,097.70 = 289,042.20/x
  3. Step 3: Cross multiply
    351,250.20x = 526,097.70 × 289,042.20
  4. Step 4: Simplify right side
    351,250.20x = 152,064,436,622.94
  5. Step 5: Solve for x
    x = 152,064,436,622.94/351,250.20
  6. Step 6: Final answer
    x = 432,923.42

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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.