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Finding the Fourth Proportional to 277,605.60, 416,684.88 and 153,005.28

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Solution

The fourth proportional to 277,605.60, 416,684.88 and 153,005.28 is: 229,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,605.60 : 416,684.88 = 153,005.28 : x
  2. Step 2: Convert to fraction form
    277,605.60/416,684.88 = 153,005.28/x
  3. Step 3: Cross multiply
    277,605.60x = 416,684.88 × 153,005.28
  4. Step 4: Simplify right side
    277,605.60x = 63,754,986,736.17
  5. Step 5: Solve for x
    x = 63,754,986,736.17/277,605.60
  6. Step 6: Final answer
    x = 229,660.30

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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.