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Finding the Fourth Proportional to 622,043.48, 933,020.76 and 242,893.20

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Solution

The fourth proportional to 622,043.48, 933,020.76 and 242,893.20 is: 364,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,043.48 : 933,020.76 = 242,893.20 : x
  2. Step 2: Convert to fraction form
    622,043.48/933,020.76 = 242,893.20/x
  3. Step 3: Cross multiply
    622,043.48x = 933,020.76 × 242,893.20
  4. Step 4: Simplify right side
    622,043.48x = 226,624,398,062.83
  5. Step 5: Solve for x
    x = 226,624,398,062.83/622,043.48
  6. Step 6: Final answer
    x = 364,322.44

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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.