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Finding the Fourth Proportional to 455,052.60, 628,097.49 and 264,127.50

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Solution

The fourth proportional to 455,052.60, 628,097.49 and 264,127.50 is: 364,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,052.60 : 628,097.49 = 264,127.50 : x
  2. Step 2: Convert to fraction form
    455,052.60/628,097.49 = 264,127.50/x
  3. Step 3: Cross multiply
    455,052.60x = 628,097.49 × 264,127.50
  4. Step 4: Simplify right side
    455,052.60x = 165,897,819,789.98
  5. Step 5: Solve for x
    x = 165,897,819,789.98/455,052.60
  6. Step 6: Final answer
    x = 364,568.45

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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.