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Finding the Fourth Proportional to 610,870.05, 915,936.93 and 273,849.71

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Solution

The fourth proportional to 610,870.05, 915,936.93 and 273,849.71 is: 410,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,870.05 : 915,936.93 = 273,849.71 : x
  2. Step 2: Convert to fraction form
    610,870.05/915,936.93 = 273,849.71/x
  3. Step 3: Cross multiply
    610,870.05x = 915,936.93 × 273,849.71
  4. Step 4: Simplify right side
    610,870.05x = 250,829,058,079.11
  5. Step 5: Solve for x
    x = 250,829,058,079.11/610,870.05
  6. Step 6: Final answer
    x = 410,609.52

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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.