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Finding the Fourth Proportional to 273,283.65, 377,306.91 and 171,448.74

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Solution

The fourth proportional to 273,283.65, 377,306.91 and 171,448.74 is: 236,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,283.65 : 377,306.91 = 171,448.74 : x
  2. Step 2: Convert to fraction form
    273,283.65/377,306.91 = 171,448.74/x
  3. Step 3: Cross multiply
    273,283.65x = 377,306.91 × 171,448.74
  4. Step 4: Simplify right side
    273,283.65x = 64,688,794,312.79
  5. Step 5: Solve for x
    x = 64,688,794,312.79/273,283.65
  6. Step 6: Final answer
    x = 236,709.35

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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.