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Finding the Fourth Proportional to 610,869.56, 915,936.18 and 273,849.20

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Solution

The fourth proportional to 610,869.56, 915,936.18 and 273,849.20 is: 410,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,869.56 : 915,936.18 = 273,849.20 : x
  2. Step 2: Convert to fraction form
    610,869.56/915,936.18 = 273,849.20/x
  3. Step 3: Cross multiply
    610,869.56x = 915,936.18 × 273,849.20
  4. Step 4: Simplify right side
    610,869.56x = 250,828,390,144.06
  5. Step 5: Solve for x
    x = 250,828,390,144.06/610,869.56
  6. Step 6: Final answer
    x = 410,608.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.