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Finding the Fourth Proportional to 610,862.76, 843,091.74 and 339,017.97

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Solution

The fourth proportional to 610,862.76, 843,091.74 and 339,017.97 is: 467,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,862.76 : 843,091.74 = 339,017.97 : x
  2. Step 2: Convert to fraction form
    610,862.76/843,091.74 = 339,017.97/x
  3. Step 3: Cross multiply
    610,862.76x = 843,091.74 × 339,017.97
  4. Step 4: Simplify right side
    610,862.76x = 285,823,250,218.57
  5. Step 5: Solve for x
    x = 285,823,250,218.57/610,862.76
  6. Step 6: Final answer
    x = 467,900.92

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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.