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Finding the Fourth Proportional to 384,751.14, 577,126.72 and 104,268.38

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Solution

The fourth proportional to 384,751.14, 577,126.72 and 104,268.38 is: 156,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,751.14 : 577,126.72 = 104,268.38 : x
  2. Step 2: Convert to fraction form
    384,751.14/577,126.72 = 104,268.38/x
  3. Step 3: Cross multiply
    384,751.14x = 577,126.72 × 104,268.38
  4. Step 4: Simplify right side
    384,751.14x = 60,176,068,149.11
  5. Step 5: Solve for x
    x = 60,176,068,149.11/384,751.14
  6. Step 6: Final answer
    x = 156,402.57

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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.