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Finding the Fourth Proportional to 504,696.72, 696,482.16 and 275,254.56

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Solution

The fourth proportional to 504,696.72, 696,482.16 and 275,254.56 is: 379,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,696.72 : 696,482.16 = 275,254.56 : x
  2. Step 2: Convert to fraction form
    504,696.72/696,482.16 = 275,254.56/x
  3. Step 3: Cross multiply
    504,696.72x = 696,482.16 × 275,254.56
  4. Step 4: Simplify right side
    504,696.72x = 191,709,890,498.65
  5. Step 5: Solve for x
    x = 191,709,890,498.65/504,696.72
  6. Step 6: Final answer
    x = 379,851.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.