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Finding the Fourth Proportional to 504,076.80, 756,115.20 and 254,726.40

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Solution

The fourth proportional to 504,076.80, 756,115.20 and 254,726.40 is: 382,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,076.80 : 756,115.20 = 254,726.40 : x
  2. Step 2: Convert to fraction form
    504,076.80/756,115.20 = 254,726.40/x
  3. Step 3: Cross multiply
    504,076.80x = 756,115.20 × 254,726.40
  4. Step 4: Simplify right side
    504,076.80x = 192,602,502,881.28
  5. Step 5: Solve for x
    x = 192,602,502,881.28/504,076.80
  6. Step 6: Final answer
    x = 382,089.60

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