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Finding the Fourth Proportional to 611,697.44, 917,041.01 and 269,897.54

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Solution

The fourth proportional to 611,697.44, 917,041.01 and 269,897.54 is: 404,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,697.44 : 917,041.01 = 269,897.54 : x
  2. Step 2: Convert to fraction form
    611,697.44/917,041.01 = 269,897.54/x
  3. Step 3: Cross multiply
    611,697.44x = 917,041.01 × 269,897.54
  4. Step 4: Simplify right side
    611,697.44x = 247,507,106,743.42
  5. Step 5: Solve for x
    x = 247,507,106,743.42/611,697.44
  6. Step 6: Final answer
    x = 404,623.41

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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.