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Finding the Fourth Proportional to 302,540.81, 453,209.78 and 277,740.23

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Solution

The fourth proportional to 302,540.81, 453,209.78 and 277,740.23 is: 416,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,540.81 : 453,209.78 = 277,740.23 : x
  2. Step 2: Convert to fraction form
    302,540.81/453,209.78 = 277,740.23/x
  3. Step 3: Cross multiply
    302,540.81x = 453,209.78 × 277,740.23
  4. Step 4: Simplify right side
    302,540.81x = 125,874,586,963.75
  5. Step 5: Solve for x
    x = 125,874,586,963.75/302,540.81
  6. Step 6: Final answer
    x = 416,058.21

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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.