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Finding the Fourth Proportional to 454,177.94, 626,735.46 and 272,897.50

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Solution

The fourth proportional to 454,177.94, 626,735.46 and 272,897.50 is: 376,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,177.94 : 626,735.46 = 272,897.50 : x
  2. Step 2: Convert to fraction form
    454,177.94/626,735.46 = 272,897.50/x
  3. Step 3: Cross multiply
    454,177.94x = 626,735.46 × 272,897.50
  4. Step 4: Simplify right side
    454,177.94x = 171,034,540,195.35
  5. Step 5: Solve for x
    x = 171,034,540,195.35/454,177.94
  6. Step 6: Final answer
    x = 376,580.47

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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.