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Finding the Fourth Proportional to 702,238.63, 969,082.41 and 379,941.65

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Solution

The fourth proportional to 702,238.63, 969,082.41 and 379,941.65 is: 524,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,238.63 : 969,082.41 = 379,941.65 : x
  2. Step 2: Convert to fraction form
    702,238.63/969,082.41 = 379,941.65/x
  3. Step 3: Cross multiply
    702,238.63x = 969,082.41 × 379,941.65
  4. Step 4: Simplify right side
    702,238.63x = 368,194,769,841.38
  5. Step 5: Solve for x
    x = 368,194,769,841.38/702,238.63
  6. Step 6: Final answer
    x = 524,315.75

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1.5x scale

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.