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Finding the Fourth Proportional to 571,907.34, 857,262.40 and 192,697.02

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Solution

The fourth proportional to 571,907.34, 857,262.40 and 192,697.02 is: 288,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,907.34 : 857,262.40 = 192,697.02 : x
  2. Step 2: Convert to fraction form
    571,907.34/857,262.40 = 192,697.02/x
  3. Step 3: Cross multiply
    571,907.34x = 857,262.40 × 192,697.02
  4. Step 4: Simplify right side
    571,907.34x = 165,191,909,838.05
  5. Step 5: Solve for x
    x = 165,191,909,838.05/571,907.34
  6. Step 6: Final answer
    x = 288,843.84

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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.