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Finding the Fourth Proportional to 454,173.93, 626,729.94 and 272,893.50

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Solution

The fourth proportional to 454,173.93, 626,729.94 and 272,893.50 is: 376,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,173.93 : 626,729.94 = 272,893.50 : x
  2. Step 2: Convert to fraction form
    454,173.93/626,729.94 = 272,893.50/x
  3. Step 3: Cross multiply
    454,173.93x = 626,729.94 × 272,893.50
  4. Step 4: Simplify right side
    454,173.93x = 171,030,526,881.39
  5. Step 5: Solve for x
    x = 171,030,526,881.39/454,173.93
  6. Step 6: Final answer
    x = 376,574.95

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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.