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Finding the Fourth Proportional to 536,039.52, 739,745.12 and 294,319.98

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Solution

The fourth proportional to 536,039.52, 739,745.12 and 294,319.98 is: 406,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,039.52 : 739,745.12 = 294,319.98 : x
  2. Step 2: Convert to fraction form
    536,039.52/739,745.12 = 294,319.98/x
  3. Step 3: Cross multiply
    536,039.52x = 739,745.12 × 294,319.98
  4. Step 4: Simplify right side
    536,039.52x = 217,721,768,923.50
  5. Step 5: Solve for x
    x = 217,721,768,923.50/536,039.52
  6. Step 6: Final answer
    x = 406,167.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.