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Finding the Fourth Proportional to 628,186.16, 866,892.96 and 341,707.38

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Solution

The fourth proportional to 628,186.16, 866,892.96 and 341,707.38 is: 471,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,186.16 : 866,892.96 = 341,707.38 : x
  2. Step 2: Convert to fraction form
    628,186.16/866,892.96 = 341,707.38/x
  3. Step 3: Cross multiply
    628,186.16x = 866,892.96 × 341,707.38
  4. Step 4: Simplify right side
    628,186.16x = 296,223,722,102.05
  5. Step 5: Solve for x
    x = 296,223,722,102.05/628,186.16
  6. Step 6: Final answer
    x = 471,554.04

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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.