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Finding the Fourth Proportional to 613,141.27, 846,128.84 and 341,204.51

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Solution

The fourth proportional to 613,141.27, 846,128.84 and 341,204.51 is: 470,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,141.27 : 846,128.84 = 341,204.51 : x
  2. Step 2: Convert to fraction form
    613,141.27/846,128.84 = 341,204.51/x
  3. Step 3: Cross multiply
    613,141.27x = 846,128.84 × 341,204.51
  4. Step 4: Simplify right side
    613,141.27x = 288,702,974,278.63
  5. Step 5: Solve for x
    x = 288,702,974,278.63/613,141.27
  6. Step 6: Final answer
    x = 470,858.82

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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.