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Finding the Fourth Proportional to 613,013.16, 845,883.84 and 341,016.76

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Solution

The fourth proportional to 613,013.16, 845,883.84 and 341,016.76 is: 470,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,013.16 : 845,883.84 = 341,016.76 : x
  2. Step 2: Convert to fraction form
    613,013.16/845,883.84 = 341,016.76/x
  3. Step 3: Cross multiply
    613,013.16x = 845,883.84 × 341,016.76
  4. Step 4: Simplify right side
    613,013.16x = 288,460,566,453.16
  5. Step 5: Solve for x
    x = 288,460,566,453.16/613,013.16
  6. Step 6: Final answer
    x = 470,561.78

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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.