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Finding the Fourth Proportional to 529,615.84, 794,174.04 and 192,418.72

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Solution

The fourth proportional to 529,615.84, 794,174.04 and 192,418.72 is: 288,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,615.84 : 794,174.04 = 192,418.72 : x
  2. Step 2: Convert to fraction form
    529,615.84/794,174.04 = 192,418.72/x
  3. Step 3: Cross multiply
    529,615.84x = 794,174.04 × 192,418.72
  4. Step 4: Simplify right side
    529,615.84x = 152,813,952,234.03
  5. Step 5: Solve for x
    x = 152,813,952,234.03/529,615.84
  6. Step 6: Final answer
    x = 288,537.35

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1.5x scale

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.