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Finding the Fourth Proportional to 367,907.86, 552,923.98 and 342,365.72

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Solution

The fourth proportional to 367,907.86, 552,923.98 and 342,365.72 is: 514,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,907.86 : 552,923.98 = 342,365.72 : x
  2. Step 2: Convert to fraction form
    367,907.86/552,923.98 = 342,365.72/x
  3. Step 3: Cross multiply
    367,907.86x = 552,923.98 × 342,365.72
  4. Step 4: Simplify right side
    367,907.86x = 189,302,214,609.26
  5. Step 5: Solve for x
    x = 189,302,214,609.26/367,907.86
  6. Step 6: Final answer
    x = 514,537.02

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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.