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Finding the Fourth Proportional to 510,651.12, 704,822.67 and 295,756.50

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Solution

The fourth proportional to 510,651.12, 704,822.67 and 295,756.50 is: 408,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,651.12 : 704,822.67 = 295,756.50 : x
  2. Step 2: Convert to fraction form
    510,651.12/704,822.67 = 295,756.50/x
  3. Step 3: Cross multiply
    510,651.12x = 704,822.67 × 295,756.50
  4. Step 4: Simplify right side
    510,651.12x = 208,455,885,999.86
  5. Step 5: Solve for x
    x = 208,455,885,999.86/510,651.12
  6. Step 6: Final answer
    x = 408,215.86

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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.